Fix failing SDP_offer_answer test

Asterisk now generates image stream declinations with the same
transport case that it used to before the stream declination
improvements. (udptl vs UDPTL)

(closes issue SWP-4736)


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@369900 65c4cc65-6c06-0410-ace0-fbb531ad65f3