[graphite] Add Vulkan support for bindDrawBuffers().

Adds vertex, instance, index, and indirect buffer support.

Bug: b/285136232
Change-Id: Iba207e9737e89cc3a529c442cba457560402af17
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/705222
Commit-Queue: Jim Van Verth <jvanverth@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
3 files changed