Update git submodules

* Update docs/submodules/usecase-ui.git from branch 'master'
  to 2693152e849d12e71db93576c03a729be55ca0b4
  - Merge "feat: add copyright and comments"
  - feat: add copyright and comments
    
    Change-Id: Idfc1bc6476839a4b5514edaa78f5a5121419f8ac
    Issue-ID: USECASEUI-307
    Signed-off-by: cyuamber <xuranyjy@chinamobile.com>
    
1 file changed