Roll Skia from 50dd7e15af47 to a195d101f96c (2 revisions) (#21190)

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': '50dd7e15af47fd8fe7cd6e852a80ec0d2bc3dbc7',
+  'skia_revision': 'a195d101f96c3d0d2c3d67b1a84d1286dce52719',
 
   # 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: 4019a4af0e15575ff91dece5121e4daa
+Signature: e146062ebb1797457d48a65fda82496d
 
 UNUSED LICENSES:
 
@@ -3917,6 +3917,8 @@ FILE: ../../../third_party/skia/src/gpu/GrBackendSurfaceMutableStateImpl.h
 FILE: ../../../third_party/skia/src/gpu/GrBackendUtils.h
 FILE: ../../../third_party/skia/src/gpu/GrBlockAllocator.cpp
 FILE: ../../../third_party/skia/src/gpu/GrBlockAllocator.h
+FILE: ../../../third_party/skia/src/gpu/GrClipStack.cpp
+FILE: ../../../third_party/skia/src/gpu/GrClipStack.h
 FILE: ../../../third_party/skia/src/gpu/GrManagedResource.cpp
 FILE: ../../../third_party/skia/src/gpu/GrRingBuffer.cpp
 FILE: ../../../third_party/skia/src/gpu/GrRingBuffer.h