Remove undefined behavior from innershapes gm

It is undefined for the inner rrect to not be contained in the inner.

Change-Id: I632060771fb7918050e1836d17b4702ea765a08f
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/384116
Reviewed-by: Michael Ludwig <michaelludwig@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>
1 file changed