DO NOT MERGE: Fix to maintain the Carrier Network connection.

Added isCarrierNetwork param in WifiConfiguration, which is then used in
WifiStateMachine. After this change, the connection to Carrier Network
should be maintained.

BUG: 30760683
Change-Id: I88e01ff44f494a6eda5e2e8a088d069638b72c89
1 file changed