Make it search in any output directory.

Bug: None
Change-Id: I4ea3ee70bbf051e534e97a972fcb6bbcb5ceeecc
Reviewed-on: https://chromium-review.googlesource.com/1208512Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>