79ecdbf22 Roll src/third_party/skia cb52badca04a..86c48abc94f3 (4 commits)...

79ecdbf22 Roll src/third_party/skia cb52badca04a..86c48abc94f3 (4 commits) (flutter/engine#12294) (#40564)


git@github.com:flutter/engine.git/compare/47991fe122d9...79ecdbf22044

git log 47991fe122d9..79ecdbf22044 --no-merges --oneline
2019-09-16 skia-flutter-autoroll@skia.org Roll src/third_party/skia cb52badca04a..86c48abc94f3 (4 commits) (flutter/engine#12294)


If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/flutter-engine-flutter-autoroll
Please CC jimgraham@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

bin/internal/engine.version

-47991fe122d9dbf39371cfd012f4cce77c27dd12
+79ecdbf22044b19dcdb6f4e66c627ec8b1c5b488