Roll Skia from 8573dab150a7 to 552a81a6c78b (4 revisions) (#27282)

DEPS

@@ -27,7 +27,7 @@ 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': '8573dab150a7982df90a1102dd4bcfec78e05672',
+  'skia_revision': '552a81a6c78b8409ed7251578ff85cd414fc305e',
 
   # 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: ef505b96b50b20a421f6519daf8a87d3
+Signature: 6ffa4b0e6e38550915cf352228b4003d
 
 UNUSED LICENSES:
 
@@ -3275,7 +3275,6 @@ FILE: ../../../third_party/skia/include/gpu/GrBackendSurface.h
 FILE: ../../../third_party/skia/include/gpu/mock/GrMockTypes.h
 FILE: ../../../third_party/skia/include/gpu/mtl/GrMtlTypes.h
 FILE: ../../../third_party/skia/include/ports/SkFontMgr_mac_ct.h
-FILE: ../../../third_party/skia/include/private/GrSharedEnums.h
 FILE: ../../../third_party/skia/include/private/SkImageInfoPriv.h
 FILE: ../../../third_party/skia/include/private/SkMalloc.h
 FILE: ../../../third_party/skia/include/private/SkSLString.h
@@ -3429,7 +3428,6 @@ FILE: ../../../third_party/skia/src/ports/SkFontMgr_mac_ct_factory.cpp
 FILE: ../../../third_party/skia/src/ports/SkOSFile_ios.h
 FILE: ../../../third_party/skia/src/sfnt/SkOTTable_fvar.h
 FILE: ../../../third_party/skia/src/shaders/SkShaderBase.h
-FILE: ../../../third_party/skia/src/sksl/SkSLCPP.h
 FILE: ../../../third_party/skia/src/sksl/SkSLFileOutputStream.h
 FILE: ../../../third_party/skia/src/sksl/SkSLLexer.cpp
 FILE: ../../../third_party/skia/src/sksl/SkSLLexer.h