Roll Skia from 308b839a44d7 to 220f6e4ab1b9 (6 revisions)

https://skia.googlesource.com/skia.git/+log/308b839a44d7..220f6e4ab1b9

2022-06-08 johnstiles@google.com Simplify lexer transition code.
2022-06-08 kjlubick@google.com [codesize] Use hours and UTC in GCS file names
2022-06-08 lovisolo@google.com [dm] Upload old SKPs into a separate "old-skp" Gold corpus.
2022-06-08 adkushwa@microsoft.com Implement onSetLabel method.
2022-06-08 robertphillips@google.com [graphite] Move addition of children out of AddToKey ...
2022-06-08 kjlubick@google.com Manual Dawn Roll

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 djsollen@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

@@ -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': '308b839a44d796fa8331d24fa1bb00a5ca87dbfc',
+  'skia_revision': '220f6e4ab1b91abbf4c371c515f55c31f2e263cf',
 
   # 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: a78c5ff721bd31772ec2729ab71a0f57
+Signature: 1eed2d702f03f521a9c1d3bbec8784d0
 
 UNUSED LICENSES: