Roll src/third_party/skia 83cfe4fa24d9..3e6aa9f52839 (6 commits) (#9921)

https://skia.googlesource.com/skia.git
/compare/83cfe4fa24d9..3e6aa9f52839

git log 83cfe4fa24d93958ad5d25f5b82f555f87b0583a..3e6aa9f52839cd0d80b108d18adc7fb3437f272e --date=short --no-merges --format=%ad %ae %s
2019-07-18 brianosman@google.com Revert "Interpreter: Bounds check array access, add bool return from run"
2019-07-18 reed@google.com return self from matrix setters to allow chaining
2019-07-17 bsalomon@google.com simplify GrCaps::initDstCopyDesc and provide default impl for non-GL subclasses.
2019-07-18 brianosman@google.com Fix always recompiling with skia_compile_processors enabled
2019-07-18 brianosman@google.com Interpreter: Bounds check array access, add bool return from run
2019-07-18 bsalomon@google.com Revert "Remove simple GrGpu::createTexture helper"

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 (nifong@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': '83cfe4fa24d93958ad5d25f5b82f555f87b0583a',
+  'skia_revision': '3e6aa9f52839cd0d80b108d18adc7fb3437f272e',
 
   # 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: ce19ae9f02cfddc78ddd496480f87398
+Signature: 0c7aabd390183cc473d46f9439ea1a4b
 
 UNUSED LICENSES: