Roll Skia from 21186e265c39 to f4ce9fc2ec45 (1 revision) (flutter/engine#51413)

https://skia.googlesource.com/skia.git/+log/21186e265c39..f4ce9fc2ec45

2024-03-14 skia-autoroll@skia-public.iam.gserviceaccount.com Manual roll Dawn from ab71002e68a2 to bac513d0ae28 (7 revisions)

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,fmalita@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

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': '21186e265c394f09befd59a6057d197747cc6c40',
+  'skia_revision': 'f4ce9fc2ec452db2edc4bec0f7b454eaa87a4e95',
 
   # WARNING: DO NOT EDIT canvaskit_cipd_instance MANUALLY
   # See `lib/web_ui/README.md` for how to roll CanvasKit to a new version.