Update git submodules

* Update docs/submodules/usecase-ui.git from branch 'master'
  to 510efe24bd92616d621f47650b64110f71776cb2
  - Package management interface
    
    Change-Id: I178924275f5ffe6a54d0b7a7efa99b6f8532843e
    Issue-ID: USECASEUI-211
    Signed-off-by: guochuyicmri <guochuyi@chinamobile.com>
    
1 file changed