Roll src/third_party/skia f050422f3285..2137f90b9d98 (4 commits) (#12437)

https://skia.googlesource.com/skia.git/+log/f050422f3285..2137f90b9d98

git log f050422f3285..2137f90b9d98 --date=short --no-merges --format='%ad %ae %s'
2019-09-25 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2019-09-24 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2019-09-24 fmalita@chromium.org [skottie] Disable skottie_tool on iOS
2019-09-24 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).

Created with:
  gclient setdep -r src/third_party/skia@2137f90b9d98

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 bungeman@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=bungeman@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': 'f050422f328552c63ccae590f1af267f63a728b9',
+  'skia_revision': '2137f90b9d9898f074699e3253584d5df943e66c',
 
   # 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: 8cf66e98a35b70e3392f6f573a77b0da
+Signature: ebd13e680861995cb050388402d280f2
 
 UNUSED LICENSES: