Add benchmark for SkSL runtime-color-filter onFilterColor4f.

This will let us compare SkRP and SkVM performance.

Change-Id: I983e560e4f4e96556b1b5306933b1754ba4593ee
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/666862
Auto-Submit: John Stiles <johnstiles@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: John Stiles <johnstiles@google.com>
1 file changed