Add return to surface semaphore calls to indicate when we don't support them

Bug: skia:
Change-Id: I00118637bf6555278ca61707275ed60372de581d
Reviewed-on: https://skia-review.googlesource.com/20061
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>
10 files changed