Roll Skia from 45fe2e8 to 08ac84a (4 revisions) (#19041)

Author: skia-flutter-autoroll

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': '45fe2e8a9914e775162995a8b40e4dbdd76af1f5',
+  'skia_revision': '08ac84a66a5e12a5a0c09c0388ad14cd600363fc',
 
   # 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

@@ -1,4 +1,4 @@
-Signature: 7efcc9af808ccc050dabbc48d23a6908
+Signature: 31c9c98c6818419cf0abe877f0d52cc7
 
 UNUSED LICENSES:
 
@@ -3915,6 +3915,7 @@ FILE: ../../../third_party/skia/src/core/SkIDChangeListener.cpp
 FILE: ../../../third_party/skia/src/core/SkMatrixProvider.h
 FILE: ../../../third_party/skia/src/core/SkVM_fwd.h
 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/GrManagedResource.cpp