Update git submodules

* Update docs/submodules/usecase-ui.git from branch 'master'
  to cdb64a033289f0f74739feb881e1ded0d48e1bed
  - feat:optimize routers.js url for customer page & network service page
    
    Change-Id: I1b5597e6d641275e6fb752051060c011fc0f509c
    Issue-ID: USECASEUI-307
    Signed-off-by: cyuamber <xuranyjy@chinamobile.com>
    
1 file changed