Added support for AllJoyn Reliable Datagram Protocol.

Change-Id: I3ec37d7aec0c51f9bd0791c8fa0c5ef3dabc9fbf
Signed-off-by: Joseph Huffman <jhuffman@qce.qualcomm.com>
Reviewed-on: https://code.wireshark.org/review/4414
Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com>
Petri-Dish: Alexis La Goutte <alexis.lagoutte@gmail.com>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Michael Mann <mmann78@netscape.net>