Roll src/third_party/skia d830fd98a4ef..c8e8e7061f1e (4 commits) (#9841)

https://skia.googlesource.com/skia.git
/compare/d830fd98a4ef..c8e8e7061f1e

git log d830fd98a4ef339d1182014851dc024710a67a36..c8e8e7061f1e20428e03cd50f9803096fc5ad3e8 --date=short --no-merges --format=%ad %ae %s
2019-07-16 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 c3085ead7055..754d697fb3a7 (10 commits)
2019-07-16 skia-recreate-skps@skia-swarming-bots.iam.gserviceaccount.com Update Go deps
2019-07-16 skia-autoroll@skia-public.iam.gserviceaccount.com Roll ../src 2413980cd984..63d0d1482f0a (378 commits)
2019-07-16 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 4cd9767e6565..f5182abb6816 (6 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 (nifong@google.com), and stop
the roller if necessary.

DEPS

@@ -26,7 +26,7 @@ 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': 'd830fd98a4ef339d1182014851dc024710a67a36',
+  'skia_revision': 'c8e8e7061f1e20428e03cd50f9803096fc5ad3e8',
 
   # 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: 93572b8069a882cb1f19267146b437fb
+Signature: 0ed656af438447518df5c43cc8fd8070
 
 UNUSED LICENSES: