Roll src/third_party/skia 2137f90b9d98..2da97da4b024 (3 commits) (#12438)

https://skia.googlesource.com/skia.git/+log/2137f90b9d98..2da97da4b024

git log 2137f90b9d98..2da97da4b024 --date=short --no-merges --format='%ad %ae %s'
2019-09-25 skia-recreate-skps@skia-swarming-bots.iam.gserviceaccount.com Update Go deps
2019-09-25 skia-autoroll@skia-public.iam.gserviceaccount.com Roll ../src a76152f4e4ce..fb8fbb18d6f2 (434 commits)
2019-09-25 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader e3a5983705da..cc3f09861685 (5 commits)

Created with:
  gclient setdep -r src/third_party/skia@2da97da4b024

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': '2137f90b9d9898f074699e3253584d5df943e66c',
+  'skia_revision': '2da97da4b0242817650093fccac9bd412d997c3c',
 
   # 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: ebd13e680861995cb050388402d280f2
+Signature: 5ad47ce9898e2d1699fc571ec39a5db1
 
 UNUSED LICENSES: