Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 20f8f9f4df0aaee63df846c65c6b7e1797b5061c
  - Merge "change modifiers order and method name"
  - change modifiers order and method name
    
    change modifiers order and method name VnfAdapterNotify_Service class
    
    Issue-ID: SO-1490
    
    Change-Id: I6b3e44ae5959ebdd1161c0375423a9e4a1b7990a
    Signed-off-by: Sindhuri.A <arcot.sindhuri@huawei.com>
    
1 file changed