Roll src/third_party/skia 62160f2f358a..01b1f63d641b (1 commits) (flutter/engine#13380)

https://skia.googlesource.com/skia.git/+log/62160f2f358a..01b1f63d641b

git log 62160f2f358a..01b1f63d641b --date=short --no-merges --format='%ad %ae %s'
2019-10-28 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 6d69aae0e1ab..1737a30e3e34 (2 commits)

Created with:
  gclient setdep -r src/third_party/skia@01b1f63d641b

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 jcgregorio@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=jcgregorio@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': '62160f2f358a7b4a5b81d3a782e964d1c39c86da',
+  'skia_revision': '01b1f63d641b3575a1ac95dae1195829bc9f42af',
 
   # 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: f6477c69fa1dee9b2b2c3a42a26a078b
+Signature: bfe304be5e7cd4ef58823b35983684cf
 
 UNUSED LICENSES: