Update git submodules

* Update docs/submodules/vid.git from branch 'master'
  to 72a9733f9ecc0171841bc10f03e662d693bec77c
  - Fixing node count icon VfModule + unit tests.
    
    Issue-ID: VID-726
    Signed-off-by: Yoav Schneiderman <yoav.schneiderman@intl.att.com>
    Change-Id: I07538d9e77ff3e983da35f90f73eb62c9fdfce4b
    
1 file changed