Roll src/third_party/skia 9318a6cfbcdd..4b567cd679ab (1 commits) (#11077)

https://skia.googlesource.com/skia.git/+log/9318a6cfbcdd..4b567cd679ab

git log 9318a6cfbcdd..4b567cd679ab --date=short --no-merges --format='%ad %ae %s'
2019-08-17 skia-recreate-skps@skia-swarming-bots.iam.gserviceaccount.com Update Go deps

Created with:
  gclient setdep -r src/third_party/skia@4b567cd679ab

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=scroggo@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': '9318a6cfbcdd160151bc4ae36425563f8cf68d3e',
+  'skia_revision': '4b567cd679ab964b5f6281a67a96c694c950f597',
 
   # 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: 6f0719808fe73dd1104f220e799f8580
+Signature: bc5ef54886f3c4c4cd54a50ac4b54746
 
 UNUSED LICENSES: