Update git submodules

* Update docs/submodules/usecase-ui.git from branch 'master'
  to c048639a46be107578e8ce0d8721bc7b5d4fe791
  - feat:optimize public function and home page api
    
    Change-Id: Idf849f381af9adbfae7d8a6e012d8949d170c666
    Issue-ID: USECASEUI-307
    Signed-off-by: cyuamber <xuranyjy@chinamobile.com>
    
1 file changed