Update git submodules

* Update docs/submodules/aai/sparky-be.git from branch 'master'
  to 3aadc4547b62d205b488ece3d8d7c01e1d906a5a
  - Improve code quality
    
    Remove sonar violations.
    
    Issue-ID: AAI-2710
    Signed-off-by: Zebek Bogumil <bogumil.zebek@nokia.com>
    Change-Id: I557581b72b527f9d38dd5f9f7099085a8b639c88
    
1 file changed