Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to bbd4b0f39343d3a37660a35680db433f56599179
  - Merge "Add ut for ActivateSliceService and update ut for ActivateCommunicationService"
  - Add ut for ActivateSliceService and update ut for ActivateCommunicationService
    
    Issue-ID: SO-2368
    
    Change-Id: I0ec9db116fae10c63e0de9582491e80600a9b145
    Signed-off-by: hetengjiao <hetengjiao@chinamobile.com>
    
1 file changed