Forward port Quiet Hours settings

Change-Id: I57ad089a2b2f7d6ed3df773ca69ad67f7b8fe185
Signed-off-by: iceandfire <arhamjamal@gmail.com>

Conflicts:
	res/values/strings.xml
	src/com/android/settings/SoundSettings.java

Conflicts:
	res/values/strings.xml
	src/com/android/settings/SoundSettings.java
Settings: Bring back the new Quiet Hours UI

Change-Id: I3bb78cb9c8ccf6df295bd724e32d97646144a6b9
Signed-off-by: iceandfire <arhamjamal@gmail.com>

Conflicts:
	res/values/cm_strings.xml