Roll Skia from 9a6cece to 5e744ac (5 revisions) (#22957)

https://skia.googlesource.com/skia.git/+log/9a6cece5a830..5e744acfad58

2020-12-09 skia-autoroll@skia-public.iam.gserviceaccount.com Roll ANGLE from 251ba5cb119f to 27e52ca05dc7 (24 revisions)
2020-12-09 skia-autoroll@skia-public.iam.gserviceaccount.com Roll Dawn from 3668d352bc5f to 30805557e651 (33 revisions)
2020-12-09 reed@google.com Revert "Revert "Use explicit samplingoptions""
2020-12-09 reed@google.com Revert "Use explicit samplingoptions"
2020-12-09 johnstiles@google.com Add $genHType versions of frexp and ldexp.

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 jmbetancourt@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': '9a6cece5a83074e328f95943de56d66025ae8601',
+  'skia_revision': '5e744acfad58f24b1e2887d08954a42b0765338c',
 
   # 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: 8b2f8006abc6daf7494c1d4f220e107d
+Signature: 9da8edddeb484de1a2f10ba670418353
 
 UNUSED LICENSES: