Add Fiddle DrawOptions for the backend objects

Change-Id: I720125f134394a8b923d6e883941d20715945d73
Reviewed-on: https://skia-review.googlesource.com/73340
Reviewed-by: Cary Clark <caryclark@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
3 files changed