Roll Skia from 8cc5f19f439d to b509bbb81f36 (3 revisions) (#21568)

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': '8cc5f19f439d31e832b137664b75b11607096eb3',
+  'skia_revision': 'b509bbb81f36f6cd17da0f2e90b724d379de43de',
 
   # 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: ab0c5248141d05498ef0e32b2ef80454
+Signature: 13611a33f6e2badc11a90c3a3f0467e6
 
 UNUSED LICENSES: