Roll src/third_party/skia 86c48abc94f3..c22498502cda (1 commits) (flutter/engine#12300)

https://skia.googlesource.com/skia.git/+log/86c48abc94f3..c22498502cda

git log 86c48abc94f3..c22498502cda --date=short --no-merges --format='%ad %ae %s'
2019-09-16 bsalomon@google.com Mark last render target bound ID invalid after clearing texture levels using glClear

Created with:
  gclient setdep -r src/third_party/skia@c22498502cda

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 brianosman@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=brianosman@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': '86c48abc94f387fd2897bdfc87c7cedcf138ad44',
+  'skia_revision': 'c22498502cda8f3f295f19f0824f0580109b2acb',
 
   # When updating the Dart revision, ensure that all entries that are
   # dependencies of Dart are also updated to match the entries in the

engine/src/flutter/ci/licenses_golden/licenses_skia

@@ -1,4 +1,4 @@
-Signature: ddf34213b664ff4a8f3d58580f249098
+Signature: 5ac1823d19512ac37fc85261ca79f480
 
 UNUSED LICENSES: