Roll Skia from 7c80b2f08ead to a6f2ebf30fea (1 revision)

https://skia.googlesource.com/skia.git/+log/7c80b2f08ead..a6f2ebf30fea

2022-01-14 johnstiles@google.com Disable test on Tegra3 that triggers driver bug.

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 kaushikiska@google.com,michaelludwig@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

@@ -27,7 +27,7 @@ vars = {
   'skia_git': 'https://skia.googlesource.com',
   # OCMock is for testing only so there is no google clone
   'ocmock_git': 'https://github.com/erikdoe/ocmock.git',
-  'skia_revision': '7c80b2f08ead3e1fee41373ab632cd71eda74e43',
+  'skia_revision': 'a6f2ebf30fea6d7f11b62cd40675387a1be6f1f4',
 
   # 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: ba649c562b6d757c3947dd155744e05f
+Signature: 2c505caf9da914890ae8fc66e5ddc792
 
 UNUSED LICENSES: