Roll src/third_party/skia 083a75d6762c..59e72b71b5cf (1 commits) (#13169)

https://skia.googlesource.com/skia.git/+log/083a75d6762c..59e72b71b5cf

git log 083a75d6762c..59e72b71b5cf --date=short --no-merges --format='%ad %ae %s'
2019-10-16 fmalita@chromium.org [skottie] Luma matte support

Created with:
  gclient setdep -r src/third_party/skia@59e72b71b5cf

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/skia-flutter-autoroll
Please CC csmartdalton@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

Bug: None
TBR=csmartdalton@google.com

DEPS

@@ -26,7 +26,7 @@ vars = {
   'skia_git': 'https://skia.googlesource.com',
   # OCMock is for testing only so there is no google clone
   'ocmock_git': 'https://github.com/erikdoe/ocmock.git',
-  'skia_revision': '083a75d6762c526684982755fbc2ae87628eccad',
+  'skia_revision': '59e72b71b5cfff0241d595e281abb6cbbe588d3f',
 
   # 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: 7ea54673f7ff770ffd80585ab725a763
+Signature: 9cfed3fe9b7413c80e55e44849e39f78
 
 UNUSED LICENSES: