Add helper functions for building skcms op list.

At present, these don't change any behavior and just do the same
work as before. However, this will make it easier to restructure
the op list to work more like Raster Pipeline.

Change-Id: I7432a9998fbc51603c5e50e2ce085dc4070aa8b2
Bug: b/305974160
Reviewed-on: https://skia-review.googlesource.com/c/skcms/+/771457
Auto-Submit: John Stiles <johnstiles@google.com>
Commit-Queue: John Stiles <johnstiles@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
1 file changed