Roll Skia from a5030e9090e8 to 37afdbc22e89 (4 revisions)

https://skia.googlesource.com/skia.git/+log/a5030e9090e8..37afdbc22e89

2021-11-04 herb@google.com pathProcessing: switch to explicit strikeToSourceScale
2021-11-04 robertphillips@google.com [graphite] Fix MSL FS generation
2021-11-04 brianosman@google.com Add an SkVM panel to viewer's debug UI
2021-11-04 herb@google.com cleanup SK_GPU_V1 guards

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: I52123e343e2de75c4cdcc94784485102137f0283