Roll src/third_party/skia 706a7cd1e826..87461aad7285 (1 commits) (#7763)

https://skia.googlesource.com/skia.git/%2Blog/706a7cd1e826..87461aad7285

git log 706a7cd1e8269039c7a9a3f66f0334673bb1e8dd..87461aad7285c745a418c7102ab349890347a4cb --date=short --no-merges --format=%ad %ae %s
2019-02-09 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 (fmalita@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': '706a7cd1e8269039c7a9a3f66f0334673bb1e8dd',
+  'skia_revision': '87461aad7285c745a418c7102ab349890347a4cb',
 
   # 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: 97fa2d8292b253a78d1b7b1445417696
+Signature: efbdad2c346737b589f0582e8aa3ba0e
 
 UNUSED LICENSES: