Pass in a GrColorType into our Copy call.

This allows us to remove looking at the config to infer a color type when
setting up a Surface/RenderTargetContext for the copy.

Bug: skia:6718
Change-Id: I75b63480a84558c96b5eeb248cc6165f96b2a243
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/264563
Commit-Queue: Greg Daniel <egdaniel@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
14 files changed