Roll src/third_party/skia 059bf77..b215131 (3 commits) (#10803)

https://skia.googlesource.com/skia.git/+log/059bf776c184..b2151310068b

git log 059bf77..b215131 --date=short --no-merges --format='%ad %ae %s'
2019-08-09 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 7424fe8..eb0479e (16 commits)
2019-08-09 skia-recreate-skps@skia-swarming-bots.iam.gserviceaccount.com Update Go deps
2019-08-09 skia-autoroll@skia-public.iam.gserviceaccount.com Roll ../src 2cf71a3eaec3..d9af708ac0cc (369 commits)

Created with:
  gclient setdep -r src/third_party/skia@b2151310068b

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, who should
be CC'd on the roll, and stop the roller if necessary.


Bug: None
TBR=reed@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': '059bf776c18435573967f9a9f963e3ee24e9d265',
+  'skia_revision': 'b2151310068b35ea5a44e95e3dd1fcbcbab99448',
 
   # 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

@@ -1,4 +1,4 @@
-Signature: 9756887dec5452f08083edee19049abf
+Signature: fcdcecb1a8636e6b82ce5d1f2e6db643
 
 UNUSED LICENSES: