Roll src/third_party/skia 3611ee1bb157..e1c5ea6779f4 (3 commits) (#8578)

https://skia.googlesource.com/skia.git/%2Blog/3611ee1bb157..e1c5ea6779f4

git log 3611ee1bb157469ab8f4904cd2261dfdc7dee6b6..e1c5ea6779f431023c54e801c662723b3547381a --date=short --no-merges --format=%ad %ae %s
2019-04-15 skia-recreate-skps@skia-swarming-bots.iam.gserviceaccount.com Update go_deps asset
2019-04-15 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 cfc73cc1af5e..065f8dc35f9d (12 commits)
2019-04-15 skia-autoroll@skia-public.iam.gserviceaccount.com Roll ../src 6506f553b36c..b2d31144d9af (500 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 (herb@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': '3611ee1bb157469ab8f4904cd2261dfdc7dee6b6',
+  'skia_revision': 'e1c5ea6779f431023c54e801c662723b3547381a',
 
   # 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: fa8fc30feda951d7f5c45e648e058a72
+Signature: 220bcafa093e41505fc52fafc5573d3d
 
 UNUSED LICENSES: