' Add Smart Capture

This adds ability to capture Photo/Video using the
ambient light sensor on the phone. Hence alleviating the
need to touch the device and cause movement in the
image/video.

Smart Capture in action: http://goo.gl/OfaY1

Change-Id: Iab1b2bf4cbde2cc00bd132b2770eda07f8580a22

Thanks to:mnm9994u
commit 391b3dfe219930ecaf77bf4a671b05a9c31fe93c'