Roll src/third_party/skia f2c52efce52b..2ef826576819 (2 commits) (#9645)

https://skia.googlesource.com/skia.git
/%2Blog/f2c52efce52b..2ef826576819

git log f2c52efce52b2c395be877d25fe0f4999a35754a..2ef826576819224d94691d9167d16b951fe1dce7 --date=short --no-merges --format=%ad %ae %s
2019-07-02 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 f116aa9c158b..5faff91af499 (3 commits)
2019-07-02 skia-autoroll@skia-public.iam.gserviceaccount.com Roll ../src d38e9bb41f04..fb906fa57d41 (308 commits)

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 (jvanverth@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': 'f2c52efce52b2c395be877d25fe0f4999a35754a',
+  'skia_revision': '2ef826576819224d94691d9167d16b951fe1dce7',
 
   # 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: f735619d37aa7d2aae3d5fab04aa019a
+Signature: 873e7ab8766d08073ccf5de091d5e142
 
 UNUSED LICENSES: