Dialer: Add Call Statistics Feature

Add call stats feature to call log history (port from CM11).

Change-Id: I931d8b19762f276b491cbb9a9689dc17717bbae9
Ref: http://goo.gl/7ztasy
Call Statistics: Remove Blacklist feature
Call Statistics: Update:

- Rename cm_*.xml to dk_*.xml
- Add german translations