Roll Skia from ef6bc4d7c581 to cbaf52b37382 (2 revisions)

https://skia.googlesource.com/skia.git/+log/ef6bc4d7c581..cbaf52b37382

2021-10-11 skia-autoroll@skia-public.iam.gserviceaccount.com Roll ANGLE from 57dd7095ffd4 to e2d9121725bf (28 revisions)
2021-10-11 skia-autoroll@skia-public.iam.gserviceaccount.com Roll SwiftShader from a1594b97ef0c to eacf0cd26b0a (3 revisions)

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/+doc/main/autoroll/README.md

Test: Presubmit checks will test this change.
Exempt-From-Owner-Approval: The autoroll bot does not require owner approval.
Bug: b/186777432
Change-Id: I47147ea0760ef9dd39be5202e69f36b85194f927