Roll src/third_party/skia 0fb0a21..f1b2b42 (4 commits) (#16053)

https://skia.googlesource.com/skia.git/+log/0fb0a21bd999..f1b2b42613cb

git log 0fb0a21..f1b2b42 --date=short --first-parent --format='%ad %ae %s'
2020-01-27 sergeyu@google.com Fix GrSmallPathRenderer to respect max texture size.
2020-01-27 kjlubick@google.com [canvaskit] Fix test for drawOnce
2020-01-27 bryct@amazon.com Add drawOnce() API to SkSurface.
2020-01-27 nifong@google.com Use html tags instead of markdown for images in debugger user guide

Created with:
  gclient setdep -r src/third_party/skia@f1b2b42613cb

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 reed@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: reed@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': '0fb0a21bd999969d71a74a0b247bf25ca5a851e7',
+  'skia_revision': 'f1b2b42613cbde15ee3f3ddfa0d46f8d0d031319',
 
   # 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: 660a0e303607a3dd30edfb7a9bc1321e
+Signature: 79a1b736832286c66927c7e27eb4ab14
 
 UNUSED LICENSES: