Roll Skia from 6ab9a7f46467 to ab12a43ea332 (4 revisions)

https://skia.googlesource.com/skia.git/+log/6ab9a7f46467..ab12a43ea332

2023-03-06 skia-autoroll@skia-public.iam.gserviceaccount.com Roll Skia Infra from ee7b7a80bf6c to 653126970c84 (8 revisions)
2023-03-05 skia-autoroll@skia-public.iam.gserviceaccount.com Roll vulkan-deps from df6039506e6d to 5c6770c857cc (1 revision)
2023-03-05 skia-recreate-skps@skia-swarming-bots.iam.gserviceaccount.com Update SKP version
2023-03-05 skia-autoroll@skia-public.iam.gserviceaccount.com Roll vulkan-deps from a3cfb06cf5b9 to df6039506e6d (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,jcgregorio@google.com,jsimmons@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://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

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': '6ab9a7f4646700c8e879e145d74e35e973b15cf5',
+  'skia_revision': 'ab12a43ea332711e38042f79587cfa6f0a7ceca4',
 
   # 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: 7dd436b8526b3eca898d972aaa523ff9
+Signature: 0dbd74a4999cf35586539caf2faf9155
 
 ====================================================================================================
 LIBRARY: etc1