Update git submodules

* Update docs/submodules/usecase-ui.git from branch 'master'
  to d59427f407a75cdf97890ff67485dde07edcee52
  - Merge "Upgrade usecase-ui project version"
  - Upgrade usecase-ui project version
    
    Change-Id: I61d8443c776a6cc301564ac8acb12bb1b8bcc78a
    Issue-ID: USECASEUI-259
    Signed-off-by: guochuyicmri <guochuyi@chinamobile.com>
    
1 file changed