Roll Skia from 476abcbc2e4d to b63d0290b826 (5 revisions) (#53915)

https://skia.googlesource.com/skia.git/+log/476abcbc2e4d..b63d0290b826

2024-07-15 johnstiles@google.com Add SkSL type alias for 'atomic_uint.'
2024-07-15 kjlubick@google.com Remove graphite-specific Mtl type aliases
2024-07-15 kjlubick@google.com [graphite] Remove SK_METAL defines from BackendSemaphore
2024-07-15 kjlubick@google.com [graphite] Remove SK_METAL defines from BackendTexture
2024-07-15 kjlubick@google.com [graphite] Remove SK_METAL defines from TextureInfo

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 bdero@google.com,brianosman@google.com,nicolettep@google.com,rmistry@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://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
https://dart.googlesource.com/external/github.com/flutter/engine/+/f1363fb7c2da7bb92fc71c99c334a09f8cf30e8e
diff --git a/DEPS b/DEPS
index e8ba540..ded6806 100644
--- a/DEPS
+++ b/DEPS
@@ -14,7 +14,7 @@
   'flutter_git': 'https://flutter.googlesource.com',
   'skia_git': 'https://skia.googlesource.com',
   'llvm_git': 'https://llvm.googlesource.com',
-  'skia_revision': '476abcbc2e4ddbc1d0fde87a6871a98e4c4435d6',
+  'skia_revision': 'b63d0290b8267d97f818a7dcadd4947750be1e67',
 
   # WARNING: DO NOT EDIT canvaskit_cipd_instance MANUALLY
   # See `lib/web_ui/README.md` for how to roll CanvasKit to a new version.
@@ -280,7 +280,7 @@
 deps = {
   'engine/src': 'https://github.com/flutter/buildroot.git' + '@' + 'e265c359126b24351f534080fb22edaa159f2215',
 
-  'engine/src/flutter': Var('flutter_git') + '/mirrors/engine' + '@' + 'cd78d213fcc8e835a07bbb44c70b1ee241bcaadf',
+  'engine/src/flutter': Var('flutter_git') + '/mirrors/engine' + '@' + 'f1363fb7c2da7bb92fc71c99c334a09f8cf30e8e',
 
   'engine/src/flutter/third_party/dart': Var('dart_git') + '/sdk' + '@' + '63f47bbb5a3fc91b5f41777b972524462807a167',
 
diff --git a/commits.json b/commits.json
index e7028f9..8865aa2 100644
--- a/commits.json
+++ b/commits.json
@@ -1,5 +1,5 @@
 {
-  "engine/src/flutter":"cd78d213fcc8e835a07bbb44c70b1ee241bcaadf",
+  "engine/src/flutter":"f1363fb7c2da7bb92fc71c99c334a09f8cf30e8e",
   "engine/src/flutter/third_party/dart":"63f47bbb5a3fc91b5f41777b972524462807a167",
   "flutter":"57fa26cd5c8c543bce041abde84ade808cb2564d"
 }
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