Update git submodules

Update git submodules

* Update docs/submodules/clamp.git from branch 'master'
  to 224df08e29cae9829d805c7b686727eea660d1b1
  - Merge "Added unit tests for OperationalPolicyDeleteDelegate"
  - Added unit tests for OperationalPolicyDeleteDelegate

    Added more unit tests for some of the Delegate classes
    in the clds/client package
    to reach the minimum threshold of 65 % coverage
    (4)

    Change-Id: Ifd3936f78c33bc0d847191319591a0aab5168e72
    Issue-ID: CLAMP-355
    Signed-off-by: p.borelowski <p.borelowski@partner.samsung.com>