Add subscription handling to notify dataconnection

In MSimTelephonyRegistry, to notifyDataConnection method
add subscription based handling to connectedapns,
dataconnectionstate, datanetworktype lists
which keep track of apn types, state, networktype.
Without this, when default apn on non-dds sub is notified
as disconnected, data icon on dds sub is getting erased.

Change-Id: I7023ac1fcde13bdb5afec684be26fb286a25eb4b
CRs-Fixed: 712007