base: added national roaming info for Play in Poland

Cherry-picked from OmniROM:
https://gerrit.omnirom.org/#/c/3382/

Users of Play in Poland (MCC 260 MNC 06) can roam on
Plus, T-Mobile, Orange (MNCs 01/02/03)

Change-Id: I8ea62b0ca40bac9ced11802ee8ef583d6392a199
Properly handle null URIs.

Change-Id: Ib81044686f40284bacf6ee645c671679f62be843
JIRA:CYAN-2491
Added Expanded Desktop Tile and qs clean up