/etc/xdg/autostart/nm-tray-autostart.desktop is in nm-tray 0.3.0-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 | [Desktop Entry]
Type=Application
Name=nm-tray
TryExec=nm-tray
Exec=nm-tray
NotShowIn=KDE;GNOME;
X-LXQt-Need-Tray=true
|