Remove mask-filters and aa from SkPaint in SkCanvas for nine-patch/lattice.

Remove GPU fallback code which would have applied AA and mask filter
separately to each lattice cell.

Change-Id: I43d50f337d24bb34b94f3d0ea6cca686a2e11a50
Reviewed-on: https://skia-review.googlesource.com/129318
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Leon Scroggins <scroggo@google.com>
4 files changed