Add complex self-intersecting stroke rrect tests

Change-Id: I8e32a4c151a548a76514a905e006660d42206b38
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/640888
Reviewed-by: Arman Uguray <armansito@google.com>
Commit-Queue: Arman Uguray <armansito@google.com>
Auto-Submit: Michael Ludwig <michaelludwig@google.com>
1 file changed