Roll src/third_party/skia 2723af6a6d43..6ec826085b2a (3 commits) (flutter#14665)

https://skia.googlesource.com/skia.git/+log/2723af6a6d43..6ec826085b2a

git log 2723af6a6d43..6ec826085b2a --date=short --first-parent --format='%ad %ae %s'
2019-12-21 [email protected] Reland "make clipIsWideOpen virtual, so device's don't have to rely on regions"
2019-12-21 [email protected] Revert "make clipIsWideOpen virtual, so device's don't have to rely on regions"
2019-12-21 [email protected] make clipIsWideOpen virtual, so device's don't have to rely on regions

Created with:
  gclient setdep -r src/third_party/skia@6ec826085b2a

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 [email protected] 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: [email protected]

Author: skia-flutter-autoroll

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': '2723af6a6d4376289d7d541bece3c6b83352db44',
+  'skia_revision': '6ec826085b2a818d29dba56880056ae392561366',
 
   # 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: d0e5f176ac731a731cd8bc5d20a545f5
+Signature: cf432c10407d23a32d32a8d76e33f551
 
 UNUSED LICENSES: