Roll src/third_party/skia 30e918d9151d..525aa0ca60c8 (4 commits) (#9181)

https://skia.googlesource.com/skia.git
/%2Blog/30e918d9151d..525aa0ca60c8

git log 30e918d9151df57c565002c5a7490bd0d86b1223..525aa0ca60c80de7ad7611d824bcc5ae06005628 --date=short --no-merges --format=%ad %ae %s
2019-06-04 skia-autoroll@skia-public.iam.gserviceaccount.com Roll ../src f75363e40fb1..ce989eacabd7 (360 commits)
2019-06-04 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 98f2167125a8..2dd40a44d1a6 (8 commits)
2019-06-03 mtklein@google.com add a x*y+0 -> x*y peephole
2019-06-03 mtklein@google.com streamline SkVM test rebaselining

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 (jcgregorio@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': '30e918d9151df57c565002c5a7490bd0d86b1223',
+  'skia_revision': '525aa0ca60c80de7ad7611d824bcc5ae06005628',
 
   # 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: 7886c9b4a48c9ce3afd090e9b4598e89
+Signature: 46a0a60cf27144e1817721e941bbdbb6
 
 UNUSED LICENSES: