rm older api from colormatrix, change to normalized translate

Bug: skia:4872
Change-Id: I0846a019dd1fd495a20d522d2d82179ad8d61aea
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/209813
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
Auto-Submit: Mike Reed <reed@google.com>
3 files changed