Handle vulkan copies correctly when using resolve attachments.

Bug: skia:10979
Change-Id: If758f2f5aef0ab67619c4f950d618f259c4e405a
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/344758
Commit-Queue: Greg Daniel <egdaniel@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
2 files changed