re-add dummy printf to fix bots

Bug: skia:
Change-Id: I3184736f37481c5ac20eae1a15c17aed4f3c3e52
Reviewed-on: https://skia-review.googlesource.com/89441
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
1 file changed