Revert "InCallUI: Open source google dialer and more (2/5)"

This reverts commit 95939d958306c8d3e5440df69f2e89f54e397edc.

Change-Id: I46a9a3359cfb8df371718ea54a2d22c3cf3d0b74
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