Convert more code to use color space xform FP

Special images, image shaders, and all texture producers,
as well as bicubic (which simplifies factory call sites).

Bug: skia:
Change-Id: I3f7c178060f25db8b659fe66e132f5ea066317b1
Reviewed-on: https://skia-review.googlesource.com/61261
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
8 files changed