Roll src/third_party/skia 0a3864651457..a9adb6f03525 (2 commits) (flutter/engine#6320)

https://skia.googlesource.com/skia.git/+log/0a3864651457..a9adb6f03525


Created with:
  gclient setdep -r src/third_party/skia@a9adb6f03525

The AutoRoll server is located here: https://autoroll.skia.org/r/skia-flutter-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

DEPS

@@ -23,7 +23,7 @@ vars = {
   'fuchsia_git': 'https://fuchsia.googlesource.com',
   'github_git': 'https://github.com',
   'skia_git': 'https://skia.googlesource.com',
-  'skia_revision': '0a3864651457e91461afc13e0dae32424f8de611',
+  'skia_revision': 'a9adb6f03525ed3192dae996b1ff0721fa4ab471',
 
   # When updating the Dart revision, ensure that all entries that are
   # dependencies of Dart are also updated to match the entries in the

engine/src/flutter/ci/licenses_golden/licenses_skia

@@ -1,4 +1,4 @@
-Signature: 232e490d632e9d9af05813f35deafd8e
+Signature: a9e74754c612f314d44d89bb4e203d02
 
 UNUSED LICENSES: