MCC-MNC logging.

* Dependency pending deployment: Id23b37fbe6c76afabb4b54ade744d1d436e5c15d
* http://lists.wikimedia.org/pipermail/wikimedia-l/2014-May/071482.html

Change-Id: I0bcc54c06381e949de5bedd406f89e8c808c10b8
Merge "MCC-MNC logging."