default behavior for onNewImageSnapshot

Bug: skia:
Change-Id: Ibfd546c4e9cf5c2bdd853cfe3b344fb1ef7b9d91
Reviewed-on: https://skia-review.googlesource.com/c/172303
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
1 file changed