Update git submodules

* Update docs/submodules/vid.git from branch 'master'
  to f20517410a174c82115e289320296d0d78f57a28
  - fix tests by adding missing preset of get subscribers from AAI
    
    Issue-ID: VID-378
    Signed-off-by: Eylon Malin <eylon.malin@intl.att.com>
    Change-Id: I6dc101b76089c32b8b9d2912a070b64bf01514ec
    
1 file changed