Roll src/third_party/skia 9159c8ef83b2..c945f0e31a53 (1 commits) (#8015)

https://skia.googlesource.com/skia.git/%2Blog/9159c8ef83b2..c945f0e31a53

git log 9159c8ef83b2b333551f68664f9fb50fc266c822..c945f0e31a5396a4ff6347d45a908b529233ed0c --date=short --no-merges --format=%ad %ae %s
2019-03-02 reed@google.com Revert "use colorspace steps to determine legacy blits"

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 (scroggo@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': '9159c8ef83b2b333551f68664f9fb50fc266c822',
+  'skia_revision': 'c945f0e31a5396a4ff6347d45a908b529233ed0c',
 
   # 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: 8d6cea6aa16d0318dcbc001d404da797
+Signature: d96848bf5de6abdc53e79865c89ffedd
 
 UNUSED LICENSES: