Add additional logging in GrRenderTargetOpList

Add logging for execute and prepare ops in GrRenderTargetOpList.

Bug: skia:
Change-Id: I18ac03676da058ba4af5bd6a0c375b3f17c3c399
Reviewed-on: https://skia-review.googlesource.com/35320
Reviewed-by: Derek Sollenberger <djsollen@google.com>
Commit-Queue: Stan Iliev <stani@google.com>
1 file changed