Forward port Quiet Hours settings

Change-Id: I57ad089a2b2f7d6ed3df773ca69ad67f7b8fe185
Revert "Port Quiet hours from CM-10.1 (2/2)"

This reverts commit 1cdc354e8bbfc804c5de21ae9146414b0f95b0b0.

Conflicts:
	src/com/android/settings/SoundSettings.java
Merge remote-tracking branch 'AOSPA/jellybean' into merge