[graphite] Add makeTextureImage call to graphitestart GM

Bug: skia:12701
Change-Id: I8cca9d8ea20ed585d0021e8ea929dc136d699883
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/523423
Reviewed-by: Jim Van Verth <jvanverth@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
1 file changed