Make Copy Ops to go through GpuCommandBuffer instead of straigt to GPU.

Bug: skia:
Change-Id: I4eae4507e07278997e26419e94586eef0780c423
Reviewed-on: https://skia-review.googlesource.com/38361
Commit-Queue: Greg Daniel <egdaniel@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
29 files changed