Support mirror-repeat in GrTextureDomain

Bug: skia:9570
Change-Id: Iccfbb36b130ec2827164efda33470e2fa75ad833
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/258638
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Michael Ludwig <michaelludwig@google.com>
6 files changed