Roll src/third_party/skia 08c79d61450b..6c8f5b31ac49 (4 commits) (#8799)

https://skia.googlesource.com/skia.git
/%2Blog/08c79d61450b..6c8f5b31ac49

git log 08c79d61450b172e8d542ed8b53c3728cb32afe9..6c8f5b31ac49be07ce68efb176a803a38810cb44 --date=short --no-merges --format=%ad %ae %s
2019-05-01 robertphillips@google.com Switch sense of opList splitting flag and employ it on the NVIDIA_Shield bot
2019-05-01 skia-recreate-skps@skia-swarming-bots.iam.gserviceaccount.com Update go_deps asset
2019-05-01 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 1ad7a07212b2..3fb957a00ba3 (4 commits)
2019-05-01 skia-autoroll@skia-public.iam.gserviceaccount.com Roll ../src b40205fdcd0e..da43ebf5b4e0 (421 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 (ethannicholas@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': '08c79d61450b172e8d542ed8b53c3728cb32afe9',
+  'skia_revision': '6c8f5b31ac49be07ce68efb176a803a38810cb44',
 
   # 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: a01441285d58e8afebf9909364b58185
+Signature: c6d375ee7d72711d189df15f4781690e
 
 UNUSED LICENSES: