Roll src/third_party/skia 087aa99a21ca..cb55010652b2 (1 commits) (#12766)

https://skia.googlesource.com/skia.git/+log/087aa99a21ca..cb55010652b2

git log 087aa99a21ca..cb55010652b2 --date=short --no-merges --format='%ad %ae %s'
2019-10-03 rmistry@google.com Revert "Reland "SkSurface asynchronous read APIs allow client to extend pixel lifetime""

Created with:
  gclient setdep -r src/third_party/skia@cb55010652b2

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/skia-flutter-autoroll
Please CC rmistry@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

Bug: None
TBR=rmistry@google.com

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': '087aa99a21ca021149e9f933457f4edaf2432f4b',
+  'skia_revision': 'cb55010652b2fbfad0fa348903b5e150bec933c1',
 
   # 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: d8143e894edd65c078d2547afc4ed0e9
+Signature: 564536884f579bf04cd44f289365a880
 
 UNUSED LICENSES:
 
@@ -3819,8 +3819,6 @@ FILE: ../../../third_party/skia/src/core/SkImageFilter_Base.h
 FILE: ../../../third_party/skia/src/core/SkVM.cpp
 FILE: ../../../third_party/skia/src/core/SkVM.h
 FILE: ../../../third_party/skia/src/effects/imagefilters/SkImageFilters.cpp
-FILE: ../../../third_party/skia/src/gpu/GrClientMappedBufferManager.cpp
-FILE: ../../../third_party/skia/src/gpu/GrClientMappedBufferManager.h
 FILE: ../../../third_party/skia/src/gpu/GrCopyRenderTask.cpp
 FILE: ../../../third_party/skia/src/gpu/GrCopyRenderTask.h
 FILE: ../../../third_party/skia/src/gpu/GrImageInfo.h