Roll Skia from 809a99819e70 to 8513867ced39 (6 revisions) (#20009)

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': '809a99819e70c9d02a8fa29415ab65c07ca33b69',
+  'skia_revision': '8513867ced398256835400a8d895f38e024967d7',
 
   # 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: c69daafddf5321a5cfe8f5ecd6291748
+Signature: e358f67df3bec8657baccaf2b831741a
 
 UNUSED LICENSES:
 
@@ -2490,8 +2490,6 @@ FILE: ../../../third_party/skia/src/gpu/GrTestUtils.h
 FILE: ../../../third_party/skia/src/gpu/GrTriangulator.cpp
 FILE: ../../../third_party/skia/src/gpu/GrTriangulator.h
 FILE: ../../../third_party/skia/src/gpu/GrXferProcessor.cpp
-FILE: ../../../third_party/skia/src/gpu/GrYUVProvider.cpp
-FILE: ../../../third_party/skia/src/gpu/GrYUVProvider.h
 FILE: ../../../third_party/skia/src/gpu/SkGpuDevice_drawTexture.cpp
 FILE: ../../../third_party/skia/src/gpu/effects/GrBlendFragmentProcessor.cpp
 FILE: ../../../third_party/skia/src/gpu/effects/GrBlendFragmentProcessor.h