Update git submodules

* Update docs/submodules/usecase-ui.git from branch 'master'
  to bb79ef05913b5b66807d4bfcd096e0144133b13b
  - Merge "Update release version for usecase-ui"
  - Update release version for usecase-ui
    
    Change-Id: I2c98e08eef04eac2cbd491bdcbe5183627165e59
    Issue-ID: USECASEUI-323
    Signed-off-by: shentao999 <shentao@chinamobile.com>
    
1 file changed