Roll src/third_party/skia 380561393385..69a426f5a427 (2 commits) (flutter#12067)

https://skia.googlesource.com/skia.git/+log/380561393385..69a426f5a427

git log 380561393385..69a426f5a427 --date=short --no-merges --format='%ad %ae %s'
2019-09-07 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2019-09-07 iannucci@chromium.org Remove use of deprecated tempfile module in skia.

Created with:
  gclient setdep -r src/third_party/skia@69a426f5a427

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 jlavrova@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=jlavrova@google.com

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': '38056139338559a0e4909a8c83b5de62ebb8d126',
+  'skia_revision': '69a426f5a42718d4bf1a60d194a2073d3e510d37',
 
   # 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: f899e279dd1702051c45eb9b52c30c57
+Signature: bb4c153c149cfd7ad4227d34ac7d73ff
 
 UNUSED LICENSES: