/usr/share/dbus-1/services/com.ubuntu.DeviceDriver.service is in jockey-gtk 0.9.7-0ubuntu7.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | [D-BUS Service]
Name=com.ubuntu.DeviceDriver
Exec=/usr/bin/jockey-gtk --dbus-server
|