Add a benchmark of filterColor4f with the matrix color filter

Bug: skia:11730
Change-Id: Icbb1f6acf31e3f130cb48338a1c44ca14f40e587
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/383697
Commit-Queue: Brian Osman <brianosman@google.com>
Commit-Queue: Mike Reed <reed@google.com>
Auto-Submit: Brian Osman <brianosman@google.com>
Reviewed-by: Mike Reed <reed@google.com>
1 file changed