[2/3] Settings: quiet hours rework

-added bypass contacts
Support a list of comtacts that will always
bypass call and/or text message quiet hours

-move service to telephony app

Change-Id: Ica94a3d0d4d916d27f78f7d942c5a5c9893b87bb
Settings: added summary for increasing ringtone pref

Show enabled/disabled

Change-Id: Ia5803c03c8f7fdbcd450900861b95597b8b05f64
Merge remote-tracking branch 'upstream/android-4.4' into android-4.4

Keep in sync with omni. This round: quiet hours stuff.