Don't show safe headset volume warming if option turned off (ported from CM)

Conflicts:
	media/java/android/media/AudioService.java
Added reboot option to power off menu, now long press reboot for safemode

Conflicts:
	core/java/android/view/WindowManagerPolicy.java
	core/res/res/values/strings.xml
	core/res/res/values/symbols.xml
	services/java/com/android/server/wm/WindowManagerService.java