camera: add support for samsung and htc camcorder modes

Change-Id: I56739157380f596c9f3bbbe7aecd8f532d619c72

Conflicts:
	res/values/config.xml
	src/com/android/camera/CameraSettings.java
	src/com/android/camera/VideoModule.java
	src/com/android/camera/util/CameraUtil.java