Roll src/third_party/skia 695206d7149a..617d801ff762 (3 commits) (#8945)

https://skia.googlesource.com/skia.git
/%2Blog/695206d7149a..617d801ff762

git log 695206d7149a2b7fff363a8239a2e04fbe77e0dd..617d801ff76293f07ec89e8e7bc81eb7390c37c4 --date=short --no-merges --format=%ad %ae %s
2019-05-13 reed@google.com Reland "Reland "remove legacy 255-biased colormatrix""
2019-05-13 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 ebab670cb32d..3dbe480b559e (16 commits)
2019-05-13 skia-autoroll@skia-public.iam.gserviceaccount.com Roll ../src 589d8ec2fcaa..97d5761990f6 (957 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 (michaelludwig@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': '695206d7149a2b7fff363a8239a2e04fbe77e0dd',
+  'skia_revision': '617d801ff76293f07ec89e8e7bc81eb7390c37c4',
 
   # 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: a2a235830eec778165ae480b43756899
+Signature: 57101913d333ab12a2eecd3479555dc0
 
 UNUSED LICENSES: