Roll src/third_party/skia 7b0f0149474a..61b3d1d00057 (1 commits) (#7340)

https://skia.googlesource.com/skia.git/%2Blog/7b0f0149474a..61b3d1d00057

git log 7b0f0149474aa43c81bdf08711da92f163675746..61b3d1d00057ad0d72a23b961f1191e429932c5b --date=short --no-merges --format=%ad %ae %s
2018-12-31 skia-recreate-skps@skia-swarming-bots.iam.gserviceaccount.com Update go_deps asset

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 (bungeman@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': '7b0f0149474aa43c81bdf08711da92f163675746',
+  'skia_revision': '61b3d1d00057ad0d72a23b961f1191e429932c5b',
 
   # 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: e8890868035f31f22a0ebacb1967d1f6
+Signature: 44adf90f4c39e66cdb27d2784ce7f21d
 
 UNUSED LICENSES: