Roll src/third_party/skia 2e856451654d..be971636cf9b (1 commits) (#12685)

https://skia.googlesource.com/skia.git/+log/2e856451654d..be971636cf9b

git log 2e856451654d..be971636cf9b --date=short --no-merges --format='%ad %ae %s'
2019-09-29 skia-recreate-skps@skia-swarming-bots.iam.gserviceaccount.com Update Go deps

Created with:
  gclient setdep -r src/third_party/skia@be971636cf9b

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 rmistry@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=rmistry@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': '2e856451654d02d20f1a59e7ee1016cbec033826',
+  'skia_revision': 'be971636cf9b0fb6c52fcf1d50ca65abfd0d717d',
 
   # 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: 5492d1f815e2d0dbc47e7b91eff00aa4
+Signature: 46e249ba500ee656db8276958c9d150d
 
 UNUSED LICENSES: