Quiet hours: Add ringer option
Includes ascending ring volume option and QuietHoursHelper
Based on these commits:
https://github.com/SlimRoms/frameworks_base/commit/2ac61a5b6618543f86652527c13469895e079cda
https://github.com/SlimRoms/frameworks_base/commit/164d6df9d2f60b922236801bd3736ef584802252