Roll src/third_party/skia e4c88bb1f848..1ddee025229a (7 commits) (#9586)

https://skia.googlesource.com/skia.git
/%2Blog/e4c88bb1f848..1ddee025229a

git log e4c88bb1f8488782f4072cf7bf0068ead49821e0..1ddee025229a18fe6c6d1a35e6d0b70d50689846 --date=short --no-merges --format=%ad %ae %s
2019-06-28 herb@google.com Remove preparePath from the SkStrikeInterface
2019-06-27 egdaniel@google.com Move GL caps textureable and fbocolorattachment flags to FormatInfo.
2019-06-28 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2019-06-27 michaelludwig@google.com Switch drawTexture calls to use attemptQuadOptimization
2019-06-28 jvanverth@google.com Disable some code to handle Metal TSAN errors.
2019-06-27 michaelludwig@google.com Remove old texture op factories
2019-06-27 brianosman@google.com Reland "DM: Add a per-sink MemoryCache to all GPU sinks"

The AutoRoll server is located here: https://autoroll.skia.org/r/skia-flutter-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff (djsollen@google.com), and stop
the roller if necessary.

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': 'e4c88bb1f8488782f4072cf7bf0068ead49821e0',
+  'skia_revision': '1ddee025229a18fe6c6d1a35e6d0b70d50689846',
 
   # 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: 8b77910b4874e6c4e57b9d46eb7eac06
+Signature: 26fdfe63d72508576265cf2041f4d15d
 
 UNUSED LICENSES: