Roll src/third_party/skia 78dc72c1fa1d..f4bf973592ad (3 commits) (#7062)

https://skia.googlesource.com/skia.git/+log/78dc72c1fa1d..f4bf973592ad


Created with:
  gclient setdep -r src/third_party/skia@f4bf973592ad

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': '78dc72c1fa1d8fb24a9cbee9aad4fe36901668f6',
+  'skia_revision': 'f4bf973592ad9c03b2d587fe593f47a175519b20',
 
   # 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

-Signature: b2f6d96b927065b8905be7c2940aa154
+Signature: eba985e0fa4e3eac8fe0727372293d3a
 
 UNUSED LICENSES: