Roll Skia from fa26a656cf3d to efd828091d0c (5 revisions)

https://skia.googlesource.com/skia.git/+log/fa26a656cf3d..efd828091d0c

2021-11-09 johnstiles@google.com Emit trace_line ops to indicate for-statement next/test.
2021-11-09 johnstiles@google.com Implement trace_var opcode.
2021-11-09 jvanverth@google.com [graphite] Add commands to CommandBuffer from Tasks
2021-11-09 kjlubick@google.com Add Bazel folks as owners to BUILD.bazel files
2021-11-09 brianosman@google.com Reland "Add ConvertPixels versions of PremulAlphaRoundTrip"

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: I849e03d9734fa54244b0fce9377b46a7738e1268