Roll src/third_party/skia cf0e3c6..9e71995 (1 commits) (flutter#14499)

https://skia.googlesource.com/skia.git/+log/cf0e3c63fd22..9e7199561fc8

git log cf0e3c6..9e71995 --date=short --first-parent --format='%ad %ae %s'
2019-12-14 reed@google.com clean up dox after enum change

Created with:
  gclient setdep -r src/third_party/skia@9e7199561fc8

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 djsollen@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: djsollen@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': 'cf0e3c63fd22ec805589e069ee3ead5350becba7',
+  'skia_revision': '9e7199561fc80b2ef5dd56adf01dd5298072dd82',
 
   # 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

@@ -1,4 +1,4 @@
-Signature: 3503721b4b9b354d8f9a48e87c69fb63
+Signature: 1bcaaad123867e2300891da0c62ce2d6
 
 UNUSED LICENSES: