Roll Skia from 5a2135af5623 to 21a92dff8fdc (3 revisions)

https://skia.googlesource.com/skia.git/+log/5a2135af5623..21a92dff8fdc

2022-02-10 [email protected] Roll ANGLE from 71d06198c62b to 670a6e476ea4 (10 revisions)
2022-02-10 [email protected] Roll SwiftShader from 0915ab4bddf7 to cbd31d271e4c (3 revisions)
2022-02-10 [email protected] Roll Chromium from 5826a77e26c0 to 4c42b6a53bab (541 revisions)

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] 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': '5a2135af5623d2a95ad1bba5f009f4e98c624729',
+  'skia_revision': '21a92dff8fdcb9896c320263c4102d2709fa2762',
 
   # 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: fe8bbcc566f75b2e4674320ec9a1a23a
+Signature: 0ba864c24b36bdfb17a1b472b416c873
 
 UNUSED LICENSES: