Update git submodules

* Update docs/submodules/clamp.git from branch 'master'
  to ab51df22013aff7c1918375371ce80f43debd9e5
  - Merge "Added unit tests for CldsEventDelegate"
  - Added unit tests for CldsEventDelegate
    
    Added more unit tests for some of the Delegate classes
    in the clds/client package
    to reach the minimum threshold of 65 % coverage
    
    Issue-ID: CLAMP-355
    Signed-off-by: Piotr Borelowski <p.borelowski@partner.samsung.com>
    Change-Id: If8fe7f06c1a06319cb88d0dd59291ba6bc8bfe6c
    
1 file changed