Update git submodules

* Update docs/submodules/usecase-ui.git from branch 'master'
  to 1482020a3dbb4bef55eb0c4c80d6ae0694075de8
  - Service instance life cycle Create a modal box
    
    Change-Id: Id892625047a16cec6413f2823ed78b4c25246aa1
    Issue-ID: USECASEUI-218
    Signed-off-by: guochuyicmri <guochuyi@chinamobile.com>
    
1 file changed