[3/3] Telephony: QuietHours (SlimRoms)

add support QuietHours

squash commit from:

 Quiet Hours Ringer (1/3)

Juba Implemented Changed Logic
	(24-hours = true)

Change-Id: I6ebd168d4a5ec2220ee481b8b6258635d53bb57b

by Kufikugel

Change-Id: I4f3c3495c0042e7b46107e35cb33e6c858e7d826

Conflicts:
	src/com/android/phone/Ringer.java