[3/4] Dialer lookup

Squashing in call changes:

Not using the PhoneNumberService API for reverse lookups anymore

Change-Id: I75c2a4f5241a5bef5fd78610758629f7543bc4da

InCallUI: Code cleanup

(Yes, this is a dumb commit lol)

Change-Id: Id9dc511d292e96bcda8f575bf393baa5cc4e163b

Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>