Add a gradient to the rrect_clip tests

This helps ensure local coords get handled correctly during clip
optimizations.

Bug: chromium:928984
Change-Id: I762077bc7a412ee62703a0221d74138920ecbde0
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/426296
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
1 file changed