Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to af150f32a5644719f7b29a1be513190c865b5f74
  - Merge "Removed unused private method getProcessInstanceId() to prevent static analyzer warning"
  - Removed unused private method getProcessInstanceId()
    to prevent static analyzer warning
    
    Issue-ID: SO-1841
    Signed-off-by: Oleksandr Moliavko <o.moliavko@samsung.com>
    Change-Id: Iab8cba14eb519f8c36f4f3ddd3fde2e50ac7147b
    
1 file changed