Replace GrColorMatrixFragmentProcessor with a runtime FP

Change-Id: I243c02fcf84c28141a263fa7cd056c5b43eab892
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/419496
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: John Stiles <johnstiles@google.com>
Reviewed-by: Michael Ludwig <michaelludwig@google.com>
12 files changed