Roll Skia from d6af8bf96690 to add2c39dce6e (3 revisions)

https://skia.googlesource.com/skia.git/+log/d6af8bf96690..add2c39dce6e

2021-11-09 herb@google.com use sk_sp<SkStrike> instead of SkStrikeSpec
2021-11-09 csmartdalton@google.com Revert "[MiddleOutPolygonTriangulator] Convert pushVertex(p0) to close()"
2021-11-09 johnstiles@google.com Fix crash with the inliner when optimizing built-in modules.

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: Ie697bbffb5b83be4220ce8bdb783e98cfe635982