Roll Skia from 5dc067350ab5 to 4815ec808aa5 (2 revisions) (#55074)

https://skia.googlesource.com/skia.git/+log/5dc067350ab5..4815ec808aa5

2024-09-10 [email protected] [bazel] Add missing newline in download_toolchains.bzl
2024-09-10 [email protected] Move SkFourByteTag to its own file

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 [email protected],[email protected],[email protected],[email protected] 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://issues.skia.org/issues/new?component=1389291&template=1850622

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

Author: skia-flutter-autoroll

DEPS

@@ -14,7 +14,7 @@ vars = {
   'flutter_git': 'https://flutter.googlesource.com',
   'skia_git': 'https://skia.googlesource.com',
   'llvm_git': 'https://llvm.googlesource.com',
-  'skia_revision': '5dc067350ab53508b4be33775e3c56d80332d219',
+  'skia_revision': '4815ec808aa5a80da74feafa651c262cfdf7e5b9',
 
   # 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: 1440e58336f6d96ae2d5668eb3883627
+Signature: acf78a9b05a664331688e2663df3ff39
 
 ====================================================================================================
 LIBRARY: etc1
@@ -399,6 +399,7 @@ FILE: ../../../flutter/third_party/skia/modules/skparagraph/test.html
 FILE: ../../../flutter/third_party/skia/package-lock.json
 FILE: ../../../flutter/third_party/skia/relnotes/android-codec-gainmap.md
 FILE: ../../../flutter/third_party/skia/relnotes/filter-color.md
+FILE: ../../../flutter/third_party/skia/relnotes/fourbytetag.md
 FILE: ../../../flutter/third_party/skia/relnotes/ganesh-move.md
 FILE: ../../../flutter/third_party/skia/relnotes/grglconfig.md
 FILE: ../../../flutter/third_party/skia/relnotes/macro.md
@@ -9532,6 +9533,7 @@ ORIGIN: ../../../flutter/third_party/skia/gm/luminosity.cpp + ../../../flutter/t
 ORIGIN: ../../../flutter/third_party/skia/gm/pathopsblend.cpp + ../../../flutter/third_party/skia/LICENSE
 ORIGIN: ../../../flutter/third_party/skia/gm/rendertomipmappedyuvimageplanes.cpp + ../../../flutter/third_party/skia/LICENSE
 ORIGIN: ../../../flutter/third_party/skia/include/core/SkArc.h + ../../../flutter/third_party/skia/LICENSE
+ORIGIN: ../../../flutter/third_party/skia/include/core/SkFourByteTag.h + ../../../flutter/third_party/skia/LICENSE
 ORIGIN: ../../../flutter/third_party/skia/include/gpu/ganesh/gl/GrGLMakeWebGLInterface.h + ../../../flutter/third_party/skia/LICENSE
 ORIGIN: ../../../flutter/third_party/skia/include/gpu/ganesh/gl/epoxy/GrGLMakeEpoxyEGLInterface.h + ../../../flutter/third_party/skia/LICENSE
 ORIGIN: ../../../flutter/third_party/skia/include/gpu/ganesh/gl/ios/GrGLMakeIOSInterface.h + ../../../flutter/third_party/skia/LICENSE
@@ -9646,6 +9648,7 @@ FILE: ../../../flutter/third_party/skia/gm/luminosity.cpp
 FILE: ../../../flutter/third_party/skia/gm/pathopsblend.cpp
 FILE: ../../../flutter/third_party/skia/gm/rendertomipmappedyuvimageplanes.cpp
 FILE: ../../../flutter/third_party/skia/include/core/SkArc.h
+FILE: ../../../flutter/third_party/skia/include/core/SkFourByteTag.h
 FILE: ../../../flutter/third_party/skia/include/gpu/ganesh/gl/GrGLMakeWebGLInterface.h
 FILE: ../../../flutter/third_party/skia/include/gpu/ganesh/gl/epoxy/GrGLMakeEpoxyEGLInterface.h
 FILE: ../../../flutter/third_party/skia/include/gpu/ganesh/gl/ios/GrGLMakeIOSInterface.h