Roll src/third_party/skia c071fc92cd3d..068af9e416cb (3 commits) (#11379)

https://skia.googlesource.com/skia.git/+log/c071fc92cd3d..068af9e416cb

git log c071fc92cd3d..068af9e416cb --date=short --no-merges --format='%ad %ae %s'
2019-08-22 brianosman@google.com Revert "Temporary Lua hook to measure impact of conservative convexity"
2019-08-22 brianosman@google.com Enable SkSL interpreter in CanvasKit to get particles working again
2019-08-22 bsalomon@google.com limit SK_API exposure on GrTexture

Created with:
  gclient setdep -r src/third_party/skia@068af9e416cb

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, who should
be CC'd on the roll, and stop the roller if necessary.


Bug: None
TBR=egdaniel@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': 'c071fc92cd3d423040db610a59494380c653891a',
+  'skia_revision': '068af9e416cbdb55f03644c581413b1eecaa4318',
 
   # 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: 7cc442aaba6caa6122848848a38eb303
+Signature: acf11dca6c47f0ef283df6eba08b6d6a
 
 UNUSED LICENSES: