Have old GrBackend name still available.

Bug: skia:
Change-Id: Ief77cb6df7b8762a45b30a4b9ca0e7644f830610
Reviewed-on: https://skia-review.googlesource.com/c/161623
Auto-Submit: Greg Daniel <egdaniel@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
1 file changed