camera: Add debug logging when setting parameters

Change-Id: Ida35e08e02f51b7ca2b89dfeeb7e550e6e562c25

Conflicts:
	src/com/android/camera/VideoModule.java
camera: Add ZSL support for Samsung/Qualcomm cameras

 * Preview management for Samsung/Qualcomm cameras
 * Add workaround for broken face detection on front camera

Change-Id: Ib36bd21c9a76b45bced3eee2f25acc35b5d82b30