Roll Skia from a298431a1370 to f2876b0b9e4a (9 revisions) (#23094)

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': 'a298431a13705b80b282f84eb8435a3a0118dbea',
+  'skia_revision': 'f2876b0b9e4a0a0a88d4f10632773187cbb3ce78',
 
   # 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: 8e72bcb14019e1a7496201a825239b4f
+Signature: b4334e5d7da65d0622440f3b60e1a725
 
 UNUSED LICENSES:
 
@@ -3941,6 +3941,8 @@ FILE: ../../../third_party/skia/src/gpu/GrStagingBufferManager.cpp
 FILE: ../../../third_party/skia/src/gpu/GrStagingBufferManager.h
 FILE: ../../../third_party/skia/src/gpu/GrStencilMaskHelper.cpp
 FILE: ../../../third_party/skia/src/gpu/GrStencilMaskHelper.h
+FILE: ../../../third_party/skia/src/gpu/GrSurfaceFillContext.cpp
+FILE: ../../../third_party/skia/src/gpu/GrSurfaceFillContext.h
 FILE: ../../../third_party/skia/src/gpu/GrUniformDataManager.cpp
 FILE: ../../../third_party/skia/src/gpu/GrUniformDataManager.h
 FILE: ../../../third_party/skia/src/gpu/GrUtil.cpp