Roll src/third_party/skia 3d42a0521d12..f3f7059cb736 (6 commits) (#8188)

https://skia.googlesource.com/skia.git/%2Blog/3d42a0521d12..f3f7059cb736

git log 3d42a0521d12745bd580a53b920a23e65f6f3f5b..f3f7059cb73661fc647a60e8eab5bb7fc471a71a --date=short --no-merges --format=%ad %ae %s
2019-03-16 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader faed9d31b44d..4af8826ee423 (9 commits)
2019-03-16 skia-autoroll@skia-public.iam.gserviceaccount.com Roll ../src 558a982945cf..f4c60d43323d (337 commits)
2019-03-15 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 de52ca373d98..f06076396afa (3 commits)
2019-03-15 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 71673c81fb1e..faed9d31b44d (1 commits)
2019-03-16 skia-recreate-skps@skia-swarming-bots.iam.gserviceaccount.com Update go_deps asset
2019-03-15 kjlubick@google.com Clean up some types in SkFont

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 (benjaminwagner@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': '3d42a0521d12745bd580a53b920a23e65f6f3f5b',
+  'skia_revision': 'f3f7059cb73661fc647a60e8eab5bb7fc471a71a',
 
   # 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: a7dfe7c35edb35fa264989d522147b7c
+Signature: 0de493b18e4c66bb5f9abd4f7c6c0d7f
 
 UNUSED LICENSES: