Roll src/third_party/skia 30cd12e81488..3c8f9cb45dde (1 commits) (#11472)

https://skia.googlesource.com/skia.git/+log/30cd12e81488..3c8f9cb45dde

git log 30cd12e81488..3c8f9cb45dde --date=short --no-merges --format='%ad %ae %s'
2019-08-27 fmalita@chromium.org [skottie] Harden motion blur

Created with:
  gclient setdep -r src/third_party/skia@3c8f9cb45dde

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/skia-flutter-autoroll
Please CC stani@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

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

Bug: None
TBR=stani@google.com

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': '30cd12e8148827930ad94e51115d46d54c0758ce',
+  'skia_revision': '3c8f9cb45ddefe1e06d75c33a83472ab95ddcfd2',
 
   # 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: 2e30e7d4c79a099ef56ab31e3be353ac
+Signature: 1f29ee4a8036ab8144d8bd1ade02c4ad
 
 UNUSED LICENSES: