Roll Skia from 69a9133a1449 to 32f2606a1ebe (2 revisions)

https://skia.googlesource.com/skia.git/+log/69a9133a1449..32f2606a1ebe

2023-05-15 kjlubick@google.com Fix legacy SkSurface::MakeNull call
2023-05-15 lovisolo@google.com [bazel] Android build: Remove hard dependency on a GPU backend.

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,nscobie@google.com,rmistry@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: I5f2f7f135d03a0d79c2ae3ff9eecacf3fa314637