Smack 4.4.6 element name for proxy CandidateActivated class is incorrectly specified

[cmeng]

Per XEP-0260: Jingle SOCKS5 Bytestreams Transport Method#2.4 Completing the Negotiation:

The element name for proxy CandidateActivated should be ‘activated’ instead of ‘candidate-activated’

    public static final class CandidateActivated extends JingleS5BCandidateTransportInfo {
        public static final String ELEMENT = "activated";

        public CandidateActivated(String candidateId) {
            super(candidateId);
        }

        @Override
        public String getElementName() {
            return ELEMENT;
        }
    }