base: added national roaming for telnet in belgium

http://jira.omnirom.org/browse/OMNI-682

Users of telnet (MCC 206 MNC 05) can roam in mobistar (MNC 10)

Change-Id: I8d2de1de0a9ba1ff792c3c28805aec078782c91e
Merge remote-tracking branch 'omni/android-4.4' into android-4.4