Add gm for inner join geometry

These paths trigger cases where we know we must add the inner join
geometry.

Bug: skia:11964
Change-Id: I9c66baf6a9f9fda55911651adae01ba1a22b3aa2
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/408156
Commit-Queue: Tyler Denniston <tdenniston@google.com>
Reviewed-by: Mike Reed <reed@google.com>
1 file changed