Roll Skia from 1a7879e4e26a to a457da8acd16 (5 revisions)

https://skia.googlesource.com/skia.git/+log/1a7879e4e26a..a457da8acd16

2022-11-11 herb@google.com Remove SkTArray::count() and change all uses to size()
2022-11-11 kjlubick@google.com [bazel] Simplify .gni output logic
2022-11-11 erikrose@google.com [infra] Make Android_Dawn job actually add the Dawn-specific build options.
2022-11-11 bsalomon@google.com Remove legacy image sampling matrix tweak
2022-11-11 jamesgk@google.com [graphite] Always initialize test-only Context backpointer

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 jimgraham@google.com,lovisolo@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in Skia: https://bugs.chromium.org/p/skia/issues/entry
To file a bug in Flutter: https://github.com/flutter/flutter/issues/new/choose

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/main/autoroll/README.md

Author: skia-flutter-autoroll

DEPS

@@ -18,7 +18,7 @@ vars = {
   'llvm_git': 'https://llvm.googlesource.com',
   # OCMock is for testing only so there is no google clone
   'ocmock_git': 'https://github.com/erikdoe/ocmock.git',
-  'skia_revision': '1a7879e4e26a24016903cf4ca974a8f7be2ca3c2',
+  'skia_revision': 'a457da8acd16ebae2dbe7ef6061d5c41c4c8bc2d',
 
   # WARNING: DO NOT EDIT canvaskit_cipd_instance MANUALLY
   # See `lib/web_ui/README.md` for how to roll CanvasKit to a new version.

ci/licenses_golden/licenses_skia

@@ -1,4 +1,4 @@
-Signature: e11f0b4a36c6a605af8aa52d48797a38
+Signature: b230c6d56a7552f53a414ecbde93c9d3
 
 UNUSED LICENSES:
 
@@ -710,6 +710,7 @@ FILE: ../../../third_party/skia/infra/bots/recipe_modules/build/examples/full.ex
 FILE: ../../../third_party/skia/infra/bots/recipe_modules/build/examples/full.expected/Build-Debian10-Clang-arm64-Debug-Android_FrameworkWorkarounds.json
 FILE: ../../../third_party/skia/infra/bots/recipe_modules/build/examples/full.expected/Build-Debian10-Clang-arm64-Debug-Android_Graphite_Vulkan.json
 FILE: ../../../third_party/skia/infra/bots/recipe_modules/build/examples/full.expected/Build-Debian10-Clang-arm64-Debug-Android_HWASAN.json
+FILE: ../../../third_party/skia/infra/bots/recipe_modules/build/examples/full.expected/Build-Debian10-Clang-arm64-Release-Android_Graphite_Dawn.json
 FILE: ../../../third_party/skia/infra/bots/recipe_modules/build/examples/full.expected/Build-Debian10-Clang-arm64-Release-Android_Wuffs.json
 FILE: ../../../third_party/skia/infra/bots/recipe_modules/build/examples/full.expected/Build-Debian10-Clang-x86_64-Debug-ASAN_Graphite_Vulkan.json
 FILE: ../../../third_party/skia/infra/bots/recipe_modules/build/examples/full.expected/Build-Debian10-Clang-x86_64-Debug-AVIF.json