`testing/dart/android/` and `testing/dart/ios` both look like generated
directories created after each `run_tests` execution.

dart-lang/sdk@050561f [vm] Relax recently added assertion in Dart 1 mode
dart-lang/sdk@6c712f1 Add a fix to create a mixin
dart-lang/sdk@cc08d0e Add operators `&`, `|` and `^` to `bool`.
dart-lang/sdk@5af9844 Language specification reorganization.
dart-lang/sdk@2cb2ac4 Optimize `ClassHierarchyBuilder.isInheritedInSubtypeOf`.
dart-lang/sdk@e8880fd Fix handling of unary- in the analyzer/FE comparison tool.
dart-lang/sdk@bd103eb Store unlinked data with unlinked salt.
dart-lang/sdk@c5d77d1 Support mixins in more places in index and search.
dart-lang/sdk@c3bdb6c Refactor summary resynthesis tests in preparation for using the one-phase summary API.
dart-lang/sdk@ddcb8b7 Remove unused SubtypeManager.
dart-lang/sdk@76091c1 [vm/bytecode] Add PushNull, PushTrue, PushFalse and PushInt bytecodes
dart-lang/sdk@a80b13e Add an assist to convert from a class to a mixin
dart-lang/sdk@0f45b2e Fix spelling hexidecimal -> hexadecimal
dart-lang/sdk@348ed30 [vm/kernel] In async transformation check if strongMode is on.
dart-lang/sdk@c6c4748 [vm/bytecode] Bytecode compilation
dart-lang/sdk@78d9a28 [vm, arm] Globally block LR for register allocation.
dart-lang/sdk@078be2c [vm] Add library private key to the Class hash function for reload.
dart-lang/sdk@4fab565 Several minor fixes to the analyzer/FE comparison tool.
dart-lang/sdk@eb96871 Compute unlinked API signatures without unlinked summaries.
dart-lang/sdk@98d25ed fix #34450, implement boolean bitwise operators in dartdevc
dart-lang/sdk@229d793 [vm/compiler] Support materializing unboxed variables when entering catch.
dart-lang/sdk@eec96f9 [vm/kernel] Preserve strong mode types in async transformation
dart-lang/sdk@bf4facd Handle errors when comparing analyzer and front end behaviors.
dart-lang/sdk@3e9f4e6 dart2js: generate simple '==' in more cases

Fixes https://github.com/flutter/flutter/issues/20859

https://skia.googlesource.com/skia.git/+log/098c1355bf70..060e992ef5b8


Created with:
  gclient setdep -r src/third_party/skia@060e992ef5b8

The AutoRoll server is located here: https://autoroll.skia.org/r/skia-flutter-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

https://skia.googlesource.com/skia.git/+log/840debe9c748..098c1355bf70


Created with:
  gclient setdep -r src/third_party/skia@098c1355bf70

The AutoRoll server is located here: https://autoroll.skia.org/r/skia-flutter-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

https://skia.googlesource.com/skia.git/+log/8e73f4b6bbef..840debe9c748


Created with:
  gclient setdep -r src/third_party/skia@840debe9c748

The AutoRoll server is located here: https://autoroll.skia.org/r/skia-flutter-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

https://skia.googlesource.com/skia.git/+log/afebe1614e5e..8e73f4b6bbef


Created with:
  gclient setdep -r src/third_party/skia@8e73f4b6bbef

The AutoRoll server is located here: https://autoroll.skia.org/r/skia-flutter-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

https://skia.googlesource.com/skia.git/+log/7b617a7fc85d..afebe1614e5e


Created with:
  gclient setdep -r src/third_party/skia@afebe1614e5e

The AutoRoll server is located here: https://autoroll.skia.org/r/skia-flutter-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

This essentially reverts https://github.com/flutter/engine/pull/4197/
as no one is (or soon will be) implementing an alternative LayerBuilder.
Let's just put everything in SceneBuilder to reduce the YAGNI
(you aren't gonna need it) smell. This will also make retained rendering
API changes much easier.

https://skia.googlesource.com/skia.git/+log/7724d3f4949b..7b617a7fc85d


Created with:
  gclient setdep -r src/third_party/skia@7b617a7fc85d

The AutoRoll server is located here: https://autoroll.skia.org/r/skia-flutter-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

* bb56d4592f Fix receiver type for js-interop access
8dea9aa45e Share inlining cache between members
272473b77e Remove getters allowing access to all enclosing type parameter types.
f5ec9b0554 This CL changes some status comments, but also points out an issue.
a16c7d899a Fix typo in mixin test.
cea39db6e2 Perform instance member inference for mixins.
65b390ca83 Simplify summary resynthesis tests
ca8e5baccd Fix #34443 fix tests that will fail with int2double
0e878dd6db Fix several inferred type summary tests.
1397fd9342 Fix test_variable_final_top_level_untyped.
61096acab3 Improve analyzer/fasta error code matching
1a8b1bfd24 Fix test_bottom_reference_shared.
7bc5c551cd Fix test test_implicit_dependencies_follow_other_dependencies.
49da026e3e Report error for `extends void` type parameters
3cf61aee33 Fix #34444, rounded doubles in double literals test
260ea4b591 Add an option to use one-phase summaries.
7c5b3dc485 [vm/tfa] Pass receiver type into field initializer summaries.
cd26b889e1 linter 0.1.62
8e4933c172 Tests for ClassElement.allSupertypes for mixins.
a48120aabd Wire up placeholder executable in pkg/analyzer_fe_comparison.

* update licenses

Following fixes in dart-lang/sdk@91cbb57cd5cd012d5aa66bfb6eb3a1306271f431

https://skia.googlesource.com/skia.git/+log/66261f1ac2b7..7724d3f4949b


Created with:
  gclient setdep -r src/third_party/skia@7724d3f4949b

The AutoRoll server is located here: https://autoroll.skia.org/r/skia-flutter-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

https://skia.googlesource.com/skia.git/+log/637c06aec7b1..66261f1ac2b7


Created with:
  gclient setdep -r src/third_party/skia@66261f1ac2b7

The AutoRoll server is located here: https://autoroll.skia.org/r/skia-flutter-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

https://skia.googlesource.com/skia.git/+log/46a5f6c28a34..637c06aec7b1

Created with:
  gclient setdep -r src/third_party/skia@637c06aec7b1

The AutoRoll server is located here: https://autoroll.skia.org/r/skia-flutter-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

https://skia.googlesource.com/skia.git/+log/76bba35cbaa4..46a5f6c28a34


Created with:
  gclient setdep -r src/third_party/skia@46a5f6c28a34

The AutoRoll server is located here: https://autoroll.skia.org/r/skia-flutter-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

Some developers might prefer launch images.

https://skia.googlesource.com/skia.git/+log/34e5e1b387f5..76bba35cbaa4


Created with:
  gclient setdep -r src/third_party/skia@76bba35cbaa4

The AutoRoll server is located here: https://autoroll.skia.org/r/skia-flutter-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

https://skia.googlesource.com/skia.git/+log/858f648bdae3..34e5e1b387f5


Created with:
  gclient setdep -r src/third_party/skia@34e5e1b387f5

The AutoRoll server is located here: https://autoroll.skia.org/r/skia-flutter-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

https://skia.googlesource.com/skia.git/+log/16322637c477..858f648bdae3


Created with:
  gclient setdep -r src/third_party/skia@858f648bdae3

The AutoRoll server is located here: https://autoroll.skia.org/r/skia-flutter-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

https://skia.googlesource.com/skia.git/+log/44215505623b..16322637c477


Created with:
  gclient setdep -r src/third_party/skia@16322637c477

The AutoRoll server is located here: https://autoroll.skia.org/r/skia-flutter-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

This function now takes an sk_sp

https://skia.googlesource.com/skia.git/+log/e70aed7066c6..44215505623b


Created with:
  gclient setdep -r src/third_party/skia@44215505623b

The AutoRoll server is located here: https://autoroll.skia.org/r/skia-flutter-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

This reverts commit e3133e0e.

https://skia.googlesource.com/skia.git/+log/1b5ece0f06f4..e70aed7066c6


Created with:
  gclient setdep -r src/third_party/skia@e70aed7066c6

The AutoRoll server is located here: https://autoroll.skia.org/r/skia-flutter-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

https://skia.googlesource.com/skia.git/+log/bd6595544171..1b5ece0f06f4


Created with:
  gclient setdep -r src/third_party/skia@1b5ece0f06f4

The AutoRoll server is located here: https://autoroll.skia.org/r/skia-flutter-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

Cache a SkSurface with previously drawn shapes so that we do not need to draw them again in future frames.

On Nexus 5X test device, old render time for just the overlay was 1.3ms-3.0ms and this version improves to 0.9ms-1.3ms running flutter gallery in profile mode.

It should be sufficient to provide the matrix to preroll.

Changes included in this roll:

05ccfa8502 [VM] Reduce size of monomorphic entries in AOT on ARM/ARM64 & use smaller tail-calls in various places
805c92cf32 Add @TypeArguments as a valid type for BoundVariable.value
3af0db2f97 fix my name in .mailmap
0eee800e1b Report INCONSISTENT_METHOD_INHERITANCE for mixins.
c7960df357 Generate analyzer error codes from messages.yaml
e2fdd57664 Clarify ambiguous definition of constant interpolated string expressions.
24493c2f54 Add support for dartdevk to read Analyzer summaries into Kernel format
d32c8e4793 Generate error code index from "index:" field in messages.yaml
d0a5a4c22b Convert summarize_const_expr.dart to triple-slash comment style.
d32f524bb3 Fix NamespaceBuilder._addPublicNames for mixins.
aa003d4f8e [infra] Update checked in SDKs to 2.1.0-dev.4.0
7fa80d8200 Remove unused error codes
ae2f75abec Report CompileTimeErrorCode.MIXIN_APPLICATION_NO_CONCRETE_SUPER_INVOKED_MEMBER.
cbfc78f5b2 Parse mixin declarations as if they were classes
d97823b704 Revert "[VM] Add new SymbolConstant to package:kernel/ast.dart"
b6c98976d5 Report CompileTimeErrorCode.RECURSIVE_INTERFACE_INHERITANCE for mixins.
3ddc9bb329 Add a doc comment for String.compare
9281748a35 Check for conflicting static and instance members in mixins.
3346632ad3 Report CompileTimeErrorCode.EXTENDS_NON_CLASS for mixins.
f649a1f3cc Add a missing error message (issue 34412)
63fbfcc69a Translate InvalidInlineFunctionType to ParserErrorCode.INVALID_INLINE_FUNCTION_TYPE.

This reverts commit 35ddf873.

Buildbots are hanging while generating treemaps with LTO enabled.