Make GrVkResourceProvider::PipelineStateCache use GrGpu::Stats

This allows tracking of pre-compiled vs. inline-compiled pipelines.

This is pulled out of:
https://skia-review.googlesource.com/c/skia/+/288462 ([Omnibus] Add program pre-compilation to Vulkan backend)

Bug: skia:9455
Change-Id: I926b61c266c8d8b2ea4fb2b8aea35d308bac322b
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/289178
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
4 files changed