Increase depth threshold for SkClipStack::isRRect.

Also first check if stack is an intersection of rects.

Bug: skia:
Change-Id: Iaa0c65941b07739998cd8c0a4edd424d995da387
Reviewed-on: https://skia-review.googlesource.com/98761
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
1 file changed