Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to fd81d20f6dd846d9740001273db32b6618d71a7e
  - Merge "Use BuildingBlockExecution for PauseForManualTasks"
  - Use BuildingBlockExecution for PauseForManualTasks
    
    Fix variable settings and execution object usage for manual tasks.
    
    Issue-ID: SO-2113
    Signed-off-by: Kuleshov, Elena <evn@att.com>
    Change-Id: I3fa24d70b46658ce5afcdc843d5482e157641112
    
1 file changed