simplify setColor, without needing the 4f or the colorspace

Change-Id: I7f6fe83cfb653819c1b5d865421f4fd2121e9b4d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/212418
Reviewed-by: Kevin Lubick <kjlubick@google.com>
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
Auto-Submit: Mike Reed <reed@google.com>
3 files changed