Roll Skia from 59f31b143ccd to 288ecf60bde8 (14 revisions) (#18847)

https://skia.googlesource.com/skia.git/+log/59f31b143ccd..288ecf60bde8

2020-06-05 egdaniel@google.com Use main command buffer for updateBackendTexture in vulkan.
2020-06-05 michaelludwig@google.com Detect empty clip when difference op clips everything
2020-06-05 csmartdalton@google.com Handle tessellated paths that require more segments than are supported
2020-06-05 mtklein@google.com tiny fixup: depend on :skx
2020-06-05 mtklein@google.com add structure for normal SKX opts
2020-06-05 senorblanco@chromium.org Dawn: fix for abandoned contexts.
2020-06-05 kjlubick@google.com [canvaskit] Fix infrequent crash in SkFontMgr.FromData
2020-06-05 mtklein@google.com remove sse4.1 opts level
2020-06-05 skia-recreate-skps@skia-swarming-bots.iam.gserviceaccount.com Update Go Deps
2020-06-05 skia-autoroll@skia-public.iam.gserviceaccount.com Roll ANGLE from 989c790d4b8b to b10f4b94aa17 (11 revisions)
2020-06-05 skia-autoroll@skia-public.iam.gserviceaccount.com Roll Chromium from 2f74454086a5 to b7bb5840cba2 (462 revisions)
2020-06-05 skia-autoroll@skia-public.iam.gserviceaccount.com Roll SwiftShader from 0711869b5f20 to e3eb327e8c3c (1 revision)
2020-06-05 skia-autoroll@skia-public.iam.gserviceaccount.com Roll dawn from 783cd5a79c8a to 0a6a9d86926e (1 revision)
2020-06-04 jlavrova@google.com ICU optimization

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/skia-flutter-autoroll
Please CC tdenniston@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

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

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': '59f31b143ccd4897f5252fe5cf8155a6423b30e7',
+  'skia_revision': '288ecf60bde8347e2659e73f4eec354fd8d3eaf6',
 
   # 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: 20434416a12cf8be82f9e11d28e78a91
+Signature: c345dd2c67234cb494cee00863ad30a6
 
 UNUSED LICENSES:
 
@@ -5289,6 +5289,7 @@ FILE: ../../../third_party/skia/src/gpu/tessellate/GrMidpointContourParser.h
 FILE: ../../../third_party/skia/src/gpu/tessellate/GrResolveLevelCounter.h
 FILE: ../../../third_party/skia/src/gpu/tessellate/GrVectorXform.h
 FILE: ../../../third_party/skia/src/gpu/tessellate/GrWangsFormula.h
+FILE: ../../../third_party/skia/src/opts/SkOpts_skx.cpp
 ----------------------------------------------------------------------------------------------------
 Copyright 2020 Google Inc.