Roll Skia from 502eab4fc913 to a5ced794731b (22 revisions) (#18737)

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': '502eab4fc913e199d21c68ab45601be6f58a8b61',
+  'skia_revision': 'a5ced794731b4a8724332321e0b59611044d2a1c',
 
   # 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: ab8f060f720a680c32227635e17b762d
+Signature: aae2183e367be7a150e60f8d68023dd0
 
 UNUSED LICENSES:
 
@@ -2333,8 +2333,6 @@ FILE: ../../../third_party/skia/gm/textblobtransforms.cpp
 FILE: ../../../third_party/skia/gm/textblobuseaftergpufree.cpp
 FILE: ../../../third_party/skia/gm/transparency.cpp
 FILE: ../../../third_party/skia/gm/xform.cpp
-FILE: ../../../third_party/skia/include/android/SkBRDAllocator.h
-FILE: ../../../third_party/skia/include/android/SkBitmapRegionDecoder.h
 FILE: ../../../third_party/skia/include/codec/SkAndroidCodec.h
 FILE: ../../../third_party/skia/include/codec/SkCodec.h
 FILE: ../../../third_party/skia/include/core/SkEncodedImageFormat.h
@@ -2371,7 +2369,6 @@ FILE: ../../../third_party/skia/samplecode/SampleClipDrawMatch.cpp
 FILE: ../../../third_party/skia/samplecode/SampleFilterQuality.cpp
 FILE: ../../../third_party/skia/samplecode/SampleShip.cpp
 FILE: ../../../third_party/skia/samplecode/SampleXfer.cpp
-FILE: ../../../third_party/skia/src/android/SkBitmapRegionDecoder.cpp
 FILE: ../../../third_party/skia/src/c/sk_c_from_to.h
 FILE: ../../../third_party/skia/src/c/sk_paint.cpp
 FILE: ../../../third_party/skia/src/c/sk_types_priv.h
@@ -3931,6 +3928,8 @@ FILE: ../../../third_party/skia/src/gpu/GrBackendSurfaceMutableStateImpl.h
 FILE: ../../../third_party/skia/src/gpu/GrBlockAllocator.cpp
 FILE: ../../../third_party/skia/src/gpu/GrBlockAllocator.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
 FILE: ../../../third_party/skia/src/gpu/GrStencilMaskHelper.cpp
 FILE: ../../../third_party/skia/src/gpu/GrStencilMaskHelper.h
 FILE: ../../../third_party/skia/src/gpu/GrUniformDataManager.cpp
@@ -3941,6 +3940,8 @@ FILE: ../../../third_party/skia/src/gpu/d3d/GrD3DCaps.cpp
 FILE: ../../../third_party/skia/src/gpu/d3d/GrD3DCaps.h
 FILE: ../../../third_party/skia/src/gpu/d3d/GrD3DCommandList.cpp
 FILE: ../../../third_party/skia/src/gpu/d3d/GrD3DCommandList.h
+FILE: ../../../third_party/skia/src/gpu/d3d/GrD3DConstantRingBuffer.cpp
+FILE: ../../../third_party/skia/src/gpu/d3d/GrD3DConstantRingBuffer.h
 FILE: ../../../third_party/skia/src/gpu/d3d/GrD3DCpuDescriptorManager.cpp
 FILE: ../../../third_party/skia/src/gpu/d3d/GrD3DCpuDescriptorManager.h
 FILE: ../../../third_party/skia/src/gpu/d3d/GrD3DDescriptorHeap.cpp