Update git submodules

* Update docs/submodules/usecase-ui.git from branch 'master'
  to f3103ea58186a7213fd92f6b2403dd71aaac38dd
  - Service instance lifecycle management
    
    Change-Id: Ie9cf576639071694b6cbfeb7eb5e033d21a3f6b9
    Issue-ID: USECASEUI-218
    Signed-off-by: guochuyicmri <guochuyi@chinamobile.com>
    
1 file changed