Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to ab9eb6aba42457ed9adb21d7239c7729bb26bd15
  - Add ServiceInfo Repository
    
    Issue-ID: SO-2368
    
    Signed-off-by: zm330 <zhangminyj@chinamobile.com>
    Change-Id: Ib7adcad06970c2866100c1913ed944bbf53cf6ae
    
1 file changed