Roll Skia from 06a366088a01 to a7692f9a396d (1 revision)

https://skia.googlesource.com/skia.git/+log/06a366088a01..a7692f9a396d

2023-06-27 maryla@google.com Fix gainmap shader when the base image is HDR.

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,rmistry@google.com,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.
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Bug: b/186777432
Change-Id: I4dea38cd17fe542149f336769b6d4671e6b6adcf