Roll src/third_party/skia 58d1f76fc008..aa861a1907a1 (7 commits) (#9946)

https://skia.googlesource.com/skia.git
/compare/58d1f76fc008..aa861a1907a1

git log 58d1f76fc00847f75ea93379eef9326f0f80ee58..aa861a1907a17c0a1033509b5c33983a819b2bb7 --date=short --no-merges --format=%ad %ae %s
2019-07-19 michaelludwig@google.com Change SkMatrix::decomposeScale to use preScale
2019-07-19 mtklein@google.com small cleanups
2019-07-19 robertphillips@google.com Revert "Add Ganesh support for LUM16F"
2019-07-19 robertphillips@google.com Add Ganesh support for LUM16F
2019-07-19 bsalomon@google.com Add temporary constructor to GrVkImageInfo to allow Chrome to compile.
2019-07-19 ethannicholas@google.com fixed internal error when parsing invalid SkSL code
2019-07-19 fmalita@chromium.org [SkSVGCanvas] Add flag for converting text to paths

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 (nifong@google.com), and stop
the roller if necessary.

DEPS

@@ -26,7 +26,7 @@ vars = {
   'skia_git': 'https://skia.googlesource.com',
   # OCMock is for testing only so there is no google clone
   'ocmock_git': 'https://github.com/erikdoe/ocmock.git',
-  'skia_revision': '58d1f76fc00847f75ea93379eef9326f0f80ee58',
+  'skia_revision': 'aa861a1907a17c0a1033509b5c33983a819b2bb7',
 
   # When updating the Dart revision, ensure that all entries that are
   # dependencies of Dart are also updated to match the entries in the

ci/licenses_golden/licenses_skia

-Signature: 46b39cbb06e66958dba842c0e7e42fd6
+Signature: b0bfb94202dce9b5ae4fd9db0a346697
 
 UNUSED LICENSES: