[graphite] Add YCbCr info to Vulkan texture and sampler keys

Change-Id: I7ebc6f973cbbc0e148edf4216992d66bb12286c3
Bug: b/311392779
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/825836
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Nicolette Prevost <nicolettep@google.com>
12 files changed