Roll Skia from 17eaf6216046 to f1f542cde8a8 (2 revisions)

https://skia.googlesource.com/skia.git/+log/17eaf6216046..f1f542cde8a8

2021-07-28 jcgregorio@google.com [switchboard] Switch S20s over to arm64 RPis.
2021-07-28 herb@google.com draw vertices: fast triangles using a shader

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/186777432
Change-Id: I86a3dc3a42213c7109c7f4e3185351e571877f77