Frameworks: Open source google dialer and more (4/5)

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)

Change-Id: I4fbb61048bb40723b6f0e282b88a34bf66d7cb19

Conflicts:
	core/java/android/provider/Settings.java
Add people lookup settings keys

Change-Id: I2ff9bb7684d04f4f9b640939c7db269873aa3308
Add OpenCnam paid account settings keys

Change-Id: I895b5f2b2a8a8de568e5aa1cea5d66ba490985fc