camera: fix c++11 narrowing

The best fix for this narrowing
violation is to use static casting

Change-Id: I323a0a7a549f2d01657544a99cfaec5bc78691bb
avoid logwrapper calls

Logwrapper is useful for debugging, but isn't intended to be
kept on for production devices. Remove it.

Change-Id: Ibfa085de914459acfa1284d9036918edc68bb53b