Roll Skia from af473004622f to 0a253625a76a (2 revisions) (#45470)

https://skia.googlesource.com/skia.git/+log/af473004622f..0a253625a76a

2023-09-05 skia-autoroll@skia-public.iam.gserviceaccount.com Roll vulkan-deps from f2f4bb6f20ec to 041cc036f086 (12 revisions)
2023-09-05 scroggo@google.com SkSharingProc: Use THashMap instead of unordered_map

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 armansito@google.com,brianosman@google.com,rmistry@google.com,zra@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': 'af473004622f9d0df8b0be5d61e3f5725e41dca1',
+  'skia_revision': '0a253625a76af6ecd0f1fccbb42838a65afce196',
 
   # WARNING: DO NOT EDIT canvaskit_cipd_instance MANUALLY
   # See `lib/web_ui/README.md` for how to roll CanvasKit to a new version.