Update git submodules

* Update docs/submodules/aai/aai-common.git from branch 'master'
  to 78719f3e460b2aceb7fd4e5453db2ba141f55516
  - Merge "aai-common support for v20"
  - aai-common support for v20
    
    Issue-ID: AAI-2904
    Change-Id: I6dca2f785882b38ca2b2474a11affaa0328c003a
    Signed-off-by: LaMont, William(wl2432) <wl2432@att.com>
    
1 file changed