Roll Skia from 2cb7f5443a48 to c1fcf8e5a55c (2 revisions)

https://skia.googlesource.com/skia.git/+log/2cb7f5443a48..c1fcf8e5a55c

2024-07-30 kjlubick@google.com Change vello's #ifdef guards
2024-07-30 johnstiles@google.com Revert "Move most KnownRuntimeEffects into the sksl_rt_shader module."

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/skia-lottie-ci-autoroll
Please CC rmistry@google.com,skiabot@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in Skia: https://bugs.chromium.org/p/skia/issues/entry

To report a problem with the AutoRoller itself, please file a bug:
https://issues.skia.org/issues/new?component=1389291&template=1850622

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

Cq-Include-Trybots: skia/skia.primary:Housekeeper-PerCommit-InfraTests
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Change-Id: Ibccaaa4c8299b787ddbb351e1adc1a607c597907
Reviewed-on: https://skia-review.googlesource.com/c/lottie-ci/+/883996
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