Roll Skia from d584ddd1519c to 3c227305ac28 (3 revisions) (flutter#27127

)

https://skia.googlesource.com/skia.git/+log/d584ddd1519c..3c227305ac28

2021-07-01 jcgregorio@google.com Add Spin513 bots to the tree.
2021-07-01 brianosman@google.com Convert GrDitherEffect to a runtime FP
2021-07-01 fmalita@chromium.org Disable large png bench

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 bungeman@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/+doc/main/autoroll/README.md

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': 'd584ddd1519c52a71ea36b78042d22713ade3511',
+  'skia_revision': '3c227305ac28418d95569b2561a8770d1a6f98db',
 
   # 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: da1ad3a117c2a1e8299970e2d905b407
+Signature: f399ce34921c9f2baf2f498e432e64ed
 
 UNUSED LICENSES:
 
@@ -3849,9 +3849,6 @@ FILE: ../../../third_party/skia/src/gpu/GrHashMapWithCache.h
 FILE: ../../../third_party/skia/src/gpu/GrRecordingContextPriv.cpp
 FILE: ../../../third_party/skia/src/gpu/GrThreadSafeCache.cpp
 FILE: ../../../third_party/skia/src/gpu/GrThreadSafeCache.h
-FILE: ../../../third_party/skia/src/gpu/effects/GrDitherEffect.fp
-FILE: ../../../third_party/skia/src/gpu/effects/generated/GrDitherEffect.cpp
-FILE: ../../../third_party/skia/src/gpu/effects/generated/GrDitherEffect.h
 FILE: ../../../third_party/skia/src/gpu/geometry/GrWangsFormula.h
 FILE: ../../../third_party/skia/src/gpu/mock/GrMockOpTarget.h
 FILE: ../../../third_party/skia/src/gpu/ops/GrSimpleMeshDrawOpHelperWithStencil.cpp