Update git submodules

* Update docs/submodules/usecase-ui.git from branch 'master'
  to a27b6eb01165f1d5e6adf1809571b9b38506052c
  - Merge "feat:ccvpn Sdwandevice Changed to the same as site"
  - feat:ccvpn Sdwandevice Changed to the same as site
    
    Change-Id: I4adb5fb3afff9130228927d8504e1dc52d6ffe9f
    Issue-ID: USECASEUI-307
    Signed-off-by: cyuamber <xuranyjy@chinamobile.com>
    
1 file changed