disable camera sounds (1/3)

Change-Id: I9c61ac497cac1af1cc8771317ada059a417b4c03

Conflicts:
	res/values/cm_strings.xml

Conflicts:
	res/values/n5x_strings.xml
Settings: Add center clock (2/2)

Change-Id: I9477fc44239f48a9a4d1a998589ea1afd37fc1fd