apparmor: Fix disconnected path error

Geoclue fails to start as a systemd service with following error:
  AVC apparmor="DENIED" operation="connect" info="Failed name lookup -
  disconnected path" error=-13 profile="/usr/libexec/geoclue"
  name="run/dbus/system_bus_socket" pid=3675 comm="pool-geoclue"
  requested_mask="wr" denied_mask="wr" fsuid=113 ouid=0

Signed-off-by: Frédéric Danis <frederic.danis@collabora.com>