Roll src/third_party/skia 69881fb0b5fb..0c4fbf1bbb93 (5 commits) (#9487)

https://skia.googlesource.com/skia.git
/%2Blog/69881fb0b5fb..0c4fbf1bbb93

git log 69881fb0b5fbda98038b738917ee83ae2807be39..0c4fbf1bbb937280d066eaf71777295e531a3dd1 --date=short --no-merges --format=%ad %ae %s
2019-06-25 nifong@google.com Include sharing proc in skia static library when building for android.
2019-06-25 robertphillips@google.com Expose SkSurface::isCompatible
2019-06-25 herb@google.com findImage(const SkGlyph&) -> prepareImage(SkGlyph*)
2019-06-25 mtklein@google.com more aarch64 instructions
2019-06-25 jcgregorio@google.com Upgrade cipd package for vpython to latest.

The AutoRoll server is located here: https://autoroll.skia.org/r/skia-flutter-autoroll

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

If the roll is causing failures, please contact the current sheriff (djsollen@google.com), and stop
the roller if necessary.

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': '69881fb0b5fbda98038b738917ee83ae2807be39',
+  'skia_revision': '0c4fbf1bbb937280d066eaf71777295e531a3dd1',
 
   # 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: 194f35d192cbc5b1f234768a615da746
+Signature: b9f04b96baa731aed2c011482a184a33
 
 UNUSED LICENSES: