fix(ManageTripTracking): Use profile of primary traveler for bus noti…

…fications.

src/main/java/org/opentripplanner/middleware/triptracker/ManageTripTracking.java

@@ -64,7 +64,7 @@ private static TrackingResponse doUpdateTracking(Request request, TripTrackingDa
             TravelerPosition travelerPosition = new TravelerPosition(
                 trackedJourney,
                 tripData.trip.journeyState.matchingItinerary,
-                Persistence.otpUsers.getById(tripData.trip.userId)
+                Persistence.otpUsers.getById(tripData.trip.getPrimaryTravelerId())
             );
             TripStatus tripStatus = TripStatus.getTripStatus(travelerPosition);
             trackedJourney.lastLocation().tripStatus = tripStatus;