Add camera wrapper - should make no difference currently

Change-Id: I231a9b5bb941cf1d2b736f32b263c7497feecbb0
Cleanup CameraWrapper and set max-saturation,contrast,sharpness

Change-Id: Ibd687593f7f5bff6a715209ede2cb9cf6e192383

Signed-off-by: e334 <e334cn@gmail.com>