NeighboringCellInfo works in GSM and UMTS network.
In GSM network, the locaiton value is the combination of LAC and CID.
In UMTS network, the locaiton value is PSC code.
NeighboringCellInfo should access and store those two values seperately.
It involves the change of Public API.
1. Add new API getRadioType(), getLac(), and getPsc() to get location info in GSM and UMTS.
2. Deprecate setCid() and NeighboringCellInfo(int cid) because cid is set by interpreting network type.
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