face: Moving idle UdpFace closing logic to UdpFace class

Change-Id: Ia7310fa18681f17d93c8214ce744da909fea7022
Refs: #1686
tools: Showing ExpirationPeriod if it is present in FaceStatus

Change-Id: I8e5b1350179830a1d12866c02c16393068e06369
Refs: #1686