Add default / empty implementation of new API method to avoid breaking things

Bug: skia:13303
Change-Id: I898770b07524154827918356d549bd97768a7492
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/564061
Commit-Queue: Nicolette Prevost <nicolettep@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
1 file changed