dlx: quiet camera wrapper debugging

Cherry pick of the m7-common commnit

commit 88254e674d50b4dc6ee004b9f13c28f12c2c60cd
Author: Ethan Chen <intervigil@gmail.com>
Date:   Tue Nov 26 13:13:53 2013 -0800

    m7-common: quiet camera wrapper debugging

    Change-Id: I6aeb2f5c8739fd1e0dcd821953581f8abce27345

Change-Id: I3d6d393ab81d03694a9f40b3bf4718d6d7e2d200