Proper supplementary service notification handling (5/5).

Map some pieces of information provided by SSN into the UI.

Change-Id: I6650102a9c464b6c1eb8bfc5a30a12fe68a1cfef
Hide the weird call recorder overflow menu on devices which don't
support it.

At the moment, that's probably all of them.

Change-Id: I78fb6446a452970270b7bbf28da0ff69bd621978