ENH: Use broadcast for trigger RMI

Change-Id: Ic0b47d2963d66968e7ec36e699b87ecd5f5dc6ac
Move VTK forward for broadcast trigger RMI updates

Change-Id: Ib59678784825fc9f026db1437cc8b7ba95a4b3d6
Merge topic 'use-broadcast-rmi-trigger' into next

c829400e Move VTK forward for broadcast trigger RMI updates
440a1e02 ENH: Use broadcast for trigger RMI