Move rgbA_to_RGBA to specific opts

Each of the different opts types needs their own version of
rgbA_to_RGBA and rgbA_to_BGRA in order to specialize NEON.

Bug: b/323034773
Change-Id: I3538bcc4d8d4ecc73d6581dc8bc8b89ae41277ac
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/810476
Commit-Queue: Herb Derby <herb@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
1 file changed