Expand testing of color initialized backend textures to include mip levels


Bug: skia:9141
Change-Id: Ie32bc5db357907ff65045b25d5d06d0ea47b94bc
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/217456
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
3 files changed