smdk4412-common: remove i925 from camera Android.mk

i925 note 10.1 lte uses a different back cam sensor.

Change-Id: Ic03a9b3ef34c9325523a685f2e23cb1da18b31b7
camera: improve taking shot with focal on low light conditions

I have taken borrowed the scene mode "high-sensitivity" for this purpose.
Maybe can we find a better scene mode for it in the future.

Change-Id: I3e7379a7b8e8e0f982f2dc125174dd30617d39ed