Roll Vulkan-Loader from cd9b4afed4e5 to 6c6453713574 (1 revision)

https://chromium.googlesource.com/external/github.com/KhronosGroup/Vulkan-Loader/+log/cd9b4afed4e5..6c6453713574

2022-10-06 charles@lunarg.com Enable cross compile test discovery

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

Tbr: ianelliott@google.com
Change-Id: If325f252e22221a5e19aa149338dda4ee93fc3fd
Reviewed-on: https://chromium-review.googlesource.com/c/vulkan-deps/+/3938723
Bot-Commit: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>