Updated build/gradle files for Android Studio 0.4.0

Signed-off-by: Brandyn A. White <bwhite@dappervision.com>
Fixed camera photo callback, initial add of CardTree library

Signed-off-by: Brandyn A. White <bwhite@dappervision.com>
Added new logviz tool and removed url blob hook from playground

Signed-off-by: Brandyn A. White <bwhite@dappervision.com>
1. Fixed camera callback
2. Added file callback for camera frame access

Signed-off-by: Brandyn A. White <bwhite@dappervision.com>