Some more batch->op renaming

Change-Id: I5cbdc606170186d2d908d518af0e0fd1094fcf78
Reviewed-on: https://skia-review.googlesource.com/6089
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
11 files changed