[1/4] Dialer lookup

Squashed commit of the following:

commit 7802111
Author: Xiao-Long Chen <chenxiaolong@cxl.epac.to>
Date:   Fri Mar 7 17:11:02 2014 -0500

    Add people lookup settings keys

    Change-Id: I2ff9bb7684d04f4f9b640939c7db269873aa3308

commit 0e5ed5a
Author: Xiao-Long Chen <chenxiaolong@cxl.epac.to>
Date:   Fri Jan 31 11:43:10 2014 -0500

    Frameworks: Add settings keys for forward and reverse phone number lookup

    Change-Id: I1c4c7825b4361b7a52dd419f83afd7b9fcbe1494

Change-Id: I68e4214e813695021b64c29ab1d831a944a6275a