Roll src/third_party/skia ab4c138c0ef3..d79c95e8bcf2 (2 commits) (#8286)

https://skia.googlesource.com/skia.git/%2Blog/ab4c138c0ef3..d79c95e8bcf2

git log ab4c138c0ef38ba1451698defb9b2b9518b96525..d79c95e8bcf26ea406d0403e7ff460a5dd55b60d --date=short --no-merges --format=%ad %ae %s
2019-03-24 skia-recreate-skps@skia-swarming-bots.iam.gserviceaccount.com Update go_deps asset
2019-03-24 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 a88c1f9c8b34..eae464dd3092 (1 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 (stani@google.com), and stop
the roller if necessary.

DEPS

@@ -23,7 +23,7 @@ vars = {
   'fuchsia_git': 'https://fuchsia.googlesource.com',
   'github_git': 'https://github.com',
   'skia_git': 'https://skia.googlesource.com',
-  'skia_revision': 'ab4c138c0ef38ba1451698defb9b2b9518b96525',
+  'skia_revision': 'd79c95e8bcf26ea406d0403e7ff460a5dd55b60d',
 
   # 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: 096e6f6942d9d327f4648d588e7923ad
+Signature: c7e6219f52249aeda54aea32b7118d13
 
 UNUSED LICENSES: