Roll Skia from 537b7508343d to 1648dede8bd8 (1 revision)

https://skia.googlesource.com/skia.git/+log/537b7508343d..1648dede8bd8

2021-05-13 skia-autoroll@skia-public.iam.gserviceaccount.com Roll SwiftShader from be169ef35238 to c4d054c6ad41 (2 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/master/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: Ib9c564533e08bbeb44e255bac437c5805ffc4b09