Update git submodules

* Update docs/submodules/usecase-ui.git from branch 'master'
  to ee2d1333ff4a8a233dd00bdbda7aa9f9e38061af
  - bug: prompt box repeat rendering display has been fixed
    
    Change-Id: I80a31b7e5f0caf97bcf9954643eff566c407b912
    Issue-ID: USECASEUI-306
    Signed-off-by: cyuamber <xuranyjy@chinamobile.com>
    
1 file changed