Roll src/third_party/skia aa3820a9123c..0b9801eadc12 (3 commits) (#11334)

https://skia.googlesource.com/skia.git/+log/aa3820a9123c..0b9801eadc12

git log aa3820a9123c..0b9801eadc12 --date=short --no-merges --format='%ad %ae %s'
2019-08-20 bungeman@google.com Use void(void*) instead of decltype with sk_free.
2019-08-20 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2019-08-20 senorblanco@chromium.org Dawn: moar textures.

Created with:
  gclient setdep -r src/third_party/skia@0b9801eadc12

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, who should
be CC'd on the roll, and stop the roller if necessary.


Bug: None
TBR=egdaniel@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': 'aa3820a9123c1e35f83cd74b229ad43d71dd5bda',
+  'skia_revision': '0b9801eadc12d1dfd8b1e3b651ee225e9fae67ac',
 
   # 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: a5d388236359db7d324b2211c1d2fa37
+Signature: 92467a538e20807adef093c97a81bc35
 
 UNUSED LICENSES: