Fix Derp

Change-Id: Iaeb949eacff70a5f3cf7e8a90098b61cd42dcfff
Active Display: Use QuietHoursHelper

Change-Id: Ic966360db377e3d5ac9911830c2a51cbb58e934d
Lockscreen Notifications: Use QuietHoursHelper

Change-Id: I4ff8b7b66e49eafe5fa7d184ff1343345e37603e