Roll Skia from 8774ef8a314e to f4b79968de2a (1 revision) (#49929)

https://skia.googlesource.com/skia.git/+log/8774ef8a314e..f4b79968de2a

2024-01-22 skia-autoroll@skia-public.iam.gserviceaccount.com Roll vulkan-deps from bc707fe39f82 to 167fd9d49add (1 revision)

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 brianosman@google.com,jonahwilliams@google.com,lovisolo@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

@@ -17,7 +17,7 @@ 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': '8774ef8a314ee4cb854da31a660342c09778fa46',
+  'skia_revision': 'f4b79968de2a319bd8e0e1b958a4b70aa734482f',
 
   # WARNING: DO NOT EDIT canvaskit_cipd_instance MANUALLY
   # See `lib/web_ui/README.md` for how to roll CanvasKit to a new version.