Roll Skia from b14a819122ee to 0a12b85f160f (5 revisions)

https://skia.googlesource.com/skia.git/+log/b14a819122ee..0a12b85f160f

2021-04-05 [email protected] Add regression test for oss-fuzz finding.
2021-04-05 [email protected] Float error and positioning
2021-04-05 [email protected] Limit GrClipStackClip tests to only exist when relevant
2021-04-05 [email protected] Revert "Make RGB_888x pixel operations work."
2021-04-05 [email protected] [canvaskit] Fix type definitions

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] on the revert to ensure that a human
is aware of the problem.

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/master/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': 'b14a819122ee10bf70ec53e742d5174bc7db283a',
+  'skia_revision': '0a12b85f160f662fa4539ae87f39441fe7020604',
 
   # When updating the Dart revision, ensure that all entries that are
   # dependencies of Dart are also updated to match the entries in the

ci/licenses_golden/licenses_skia

@@ -1,4 +1,4 @@
-Signature: ceb185bf9f0ff73617d9ffa0a225609f
+Signature: 8d62a1af2b53a316dd8ff59e57230dda
 
 UNUSED LICENSES: