Roll Skia from db0288d to 839fb22 (1 revision)

https://skia.googlesource.com/skia.git/+log/db0288d747ae..839fb228ac44

2020-10-16 bsalomon@google.com Revert "Move all YUVA image creation in GMs into sk_gpu_test::LazyYUVImage."

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 robertphillips@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/+doc/master/autoroll/README.md

Author: skia-flutter-autoroll

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': 'db0288d747ae84e8cfb577f70953c1d56eb78110',
+  'skia_revision': '839fb228ac44d101a09306a9b62a96e116cc10b1',
 
   # 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: f6b15586236bf4f932f5c03ac999ee73
+Signature: d3af201134539fd4e7afdc554e2523e9
 
 UNUSED LICENSES: