Chinese Location Lookup [1/2] Dialer: Chinese Reverse Lookup

    PS6: Add static integers for reference

Change-Id: I22ede59cfa8785ac04ad1b1f19d1c69e24b9fb89
Add reverse lookup provider "Das Telefonbuch" (DE).

Change-Id: I0ad72bb3e57da3d27fb1c50c58c112234c39b585
Refine regexes for Das Telefonbuch.

Looks like private and business numbers have a slightly differing
format.

Change-Id: I7eae982fe81cf890686f49b88417e604ba0171a0