Roll Vulkan-ValidationLayers from 81195dfecbd0 to 2c2b81c05189 (1 revision)

https://chromium.googlesource.com/external/github.com/KhronosGroup/Vulkan-ValidationLayers/+log/81195dfecbd0..2c2b81c05189

2021-12-06 jeremyg@lunarg.com layers: Use find_package() for the dependencies that support it

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/vulkan-validation-layers-vulkan-deps
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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

Tbr: angle-bots+autoroll-info@google.com
Change-Id: Ie3505c688c2dd9d818cda876f4b9baafc11e12bc
Reviewed-on: https://chromium-review.googlesource.com/c/vulkan-deps/+/3318547
Bot-Commit: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>

• DEPS[diff]