Class android.telecom.ConnectionService

Added Methods
RemoteConference createRemoteIncomingConference(PhoneAccountHandle, ConnectionRequest)  
RemoteConference createRemoteOutgoingConference(PhoneAccountHandle, ConnectionRequest)  
Conference onCreateIncomingConference(PhoneAccountHandle, ConnectionRequest)  
void onCreateIncomingConferenceFailed(PhoneAccountHandle, ConnectionRequest)  
Conference onCreateOutgoingConference(PhoneAccountHandle, ConnectionRequest)  
void onCreateOutgoingConferenceFailed(PhoneAccountHandle, ConnectionRequest)