Update git submodules

Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 4c41bf52c861e9a517e61beb9252349037fa6417
  - Merge "Initial commit of validation framework to APIH"
  - Initial commit of validation framework to APIH

    Move ListenerRunner to common location
    Adjust request params name, update junit tests
    Update validations to work properly
    Properly escape period for the string split

    Issue-ID: SO-2232
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@att.com>
    Change-Id: Ia468cf7062cccf30e28afeb7a5cddc37ceb2e002