Update git submodules

* Update docs/submodules/usecase-ui.git from branch 'master'
  to 155c4912100293e60a3c85c589c55492aa502388
  - update the i18n resources for manage service
    
    Issue-ID: USECASEUI-387
    
    Signed-off-by: seshukm <seshu.kumar.m@huawei.com>
    Change-Id: If08801295e631c75fe037db6bc66fe63d17c559e
    
1 file changed