Roll src/third_party/skia caf4f9241217..3ac3a4053f86 (1 commits) (#7388)

https://skia.googlesource.com/skia.git/%2Blog/caf4f9241217..3ac3a4053f86

git log caf4f9241217b77f728b1913a0208a147e8150c5..3ac3a4053f861060a217d3a6eac6dee71cd862cc --date=short --no-merges --format=%ad %ae %s
2019-01-07 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 86b0868d367c..5df1d281a992 (1 commits)

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 (bsalomon@google.com), 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': 'caf4f9241217b77f728b1913a0208a147e8150c5',
+  'skia_revision': '3ac3a4053f861060a217d3a6eac6dee71cd862cc',
 
   # 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: 690afc54b4ff56c225f377c44e397a51
+Signature: 89cf76eb2927928cd729e5014e938294
 
 UNUSED LICENSES: