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

This is an open source variant of the well known google Dialer which gives the
ability to show nearby places and revese lookup. It uses default the Google
engine to do this. As well you have the ability to use other providers.

Providers which are currently available:

lookup/nearby places:
Google
OpenStreetMap

Reverse lookup:
Google
OpenCnam (US-only)
WhitePages (US-only)
YellowPages (US-only)
ZabaSearch (US-only)

PS
- make sensible user information debug log optional

Change-Id: I88948ccc6556a4246a2c6c316ee065ec134304aa