Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 022e9a55a51e1e2fcf489986cb2152059583397f
  - Merge "fix major sonar bug"
  - fix major sonar bug
    
    Removed useless 'instanceof' operator as it always resolves as true
    Replaced it with checking for null
    Removed unused imports
    Added information about modifications on the top
    Added junit tests for the method
    
    Change-Id: I7a902ad2852e0ed0d507a6309857a1bab74921de
    Issue-ID: SO-1491
    Signed-off-by: k.kazak <k.kazak@samsung.com>
    
1 file changed