Use 'mqtt-2019' branch on TRS Client
Use 'mqtt-2019' branch on TRS Client

Signed-off-by: Andrew Berezovskyi <3651b37c3749fcd568b3a6fa4973cfc6e6df6402@kth.se>

EricssonResearch/scott-eu,EricssonResearch/scott-eu,EricssonResearch/scott-eu,EricssonResearch/scott-eu,EricssonResearch/scott-eu,EricssonResearch/scott-eu,EricssonResearch/scott-eu,EricssonResearch/scott-eu,EricssonResearch/scott-eu,EricssonResearch/scott-eu