Make GPU lattice/nine patch not bleed across cells.

Consolidate code for handling various image/bitmap and lattice/ninepatch flavors.

Makes refTextureForParams virtual on GrTextureProducer. Previously both subclasses had non-virtual flavors of this.

Bug: b/77917978

Change-Id: I14787faef33c4617ef359039e81453d683f33ff1
Reviewed-on: https://skia-review.googlesource.com/125520
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
16 files changed