Roll Skia from c10950a60f06 to c2b31fb04a80 (2 revisions)

https://skia.googlesource.com/skia.git/+log/c10950a60f06..c2b31fb04a80

2021-12-23 michaelludwig@google.com Use unsigned int to track POD skip
2021-12-23 scroggo@google.com Be more lenient with RLE BMPs

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 scroggo@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/198566237
Bug: b/186777432
Change-Id: I566100df679c5b3b7df57b606cfb446233cf645a