Update git submodules

* Update docs/submodules/usecase-ui.git from branch 'master'
  to 86e490cc3dbf13fdd70d100d5461f4010cf5c15b
  - Modify the startup related scripts to support the no root startup for the usecase-ui container!
    
    Issue-ID: USECASEUI-402
    Change-Id: I3931597155ae46a9aaff2e4be5760034606218d7
    Signed-off-by: hekeguang <hekeguang@chinamobile.com>
    
1 file changed