Roll src/third_party/skia e242d0ea937c..89e1f600ec78 (3 commits) (#12696)

https://skia.googlesource.com/skia.git/+log/e242d0ea937c..89e1f600ec78

git log e242d0ea937c..89e1f600ec78 --date=short --no-merges --format='%ad %ae %s'
2019-09-30 bungeman@google.com Improve implementations of copyTable.
2019-09-30 kjlubick@google.com Update gold aggregators to use new struct
2019-09-30 halcanary@google.com experimental/skottie_ios/SkottieMtkView: stopAtEnd option

Created with:
  gclient setdep -r src/third_party/skia@89e1f600ec78

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 rmistry@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=rmistry@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': 'e242d0ea937c893f16b7d0f2b7003c037f9f5f79',
+  'skia_revision': '89e1f600ec786eedc918357a588235094252f710',
 
   # 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: c28c2d4a668ffe83d62fcdc8788360b7
+Signature: 877193075413edb1ff5b362c3d87ec45
 
 UNUSED LICENSES: