Roll Skia from a0aba842460c to af845097acae (3 revisions) (#49601)

https://skia.googlesource.com/skia.git/+log/a0aba842460c..af845097acae

2024-01-08 [email protected] Convert tuple to struct
2024-01-08 [email protected] Remove ThreadContext::ReportError.
2024-01-08 [email protected] Add better version of SK_ASSUME for GCC >= 13

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 [email protected],[email protected],[email protected],[email protected] 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

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': 'a0aba842460cbc89697923e1ef06eabe335d7c8d',
+  'skia_revision': 'af845097acae8b3ed8fe110149e8b527d2b1f22d',
 
   # 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: 1bb8b4909b38352399c7c8ba82e78ada
+Signature: e60d70ee49a028cb658c525ce2d40a65
 
 ====================================================================================================
 LIBRARY: etc1