ASACORE-1237: AllJoyn TC NGNS router discovery for Darwin

Change-Id: Iff57937d48639c949e5540aea059a86857099d58
Signed-off-by: Brian Spencer <bspencer@qce.qualcomm.com>
Signed-off-by: Peter Krystad <pkrystad@qce.qualcomm.com>
Merge "ASACORE-1237: AllJoyn TC NGNS router discovery for Darwin" into RB14.12