Restructure make_colorizer another way.

This approach has a little bit less redundancy than before.

Change-Id: Ibb1b71263acf28ca09c5be9492c100f1da46db69
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/458460
Commit-Queue: John Stiles <johnstiles@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
1 file changed