Roll external/skia 4a4400d9e9fa..e107faa062c4 (3 commits)

https://skia.googlesource.com/skia.git/+log/4a4400d9e9fa..e107faa062c4

2019-10-24 halcanary@google.com SkRemoteGlyphCache  Add tracing to diff canvas
2019-10-24 mtklein@google.com Reland "hide color filters from blitters"
2019-10-24 bsalomon@google.com Type usage improvements in GrTextureProducer classes

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://skia-autoroll.corp.goog/r/android-master-autoroll
Please CC djsollen@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

Test: Presubmit checks will test this change.
Change-Id: Id5fa8ada367f6ad5832406446cdec924ac82c0b9
Exempt-From-Owner-Approval: The autoroll bot does not require owner approval.