Bring sk_sp to oval GrDrawOps and rename batch->op

Change-Id: Ic0e95a29f1e2479d3d79b7d175290cb20422b585
Reviewed-on: https://skia-review.googlesource.com/6082
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
6 files changed