Allows VLAN to be set while in POTENTIAL
Adds missing VLAN set command for 1722 Talker
Bug fixes offset into 1722 buffer for set VLAN
Adds C wrappers for get/set source VLAN
Adding failure bridge ID and code to SRP info struct
Adds compliant support for MSRP domain negotiation
Fix for MSRP.End.c.35.2.01h; SR class not supported

Does not match Talker Advertise if the SR class (A)
is not supported