Update git submodules

* Update docs/submodules/policy/parent.git from branch 'master'
  to 21788ca7bef9c8677f198ec6c974cf1a773b5157
  - Upgrade version of dmaap-client to 1.1.11
    
    Issue-ID: POLICY-1996
    Change-Id: I297563bd014de1a7a9be92ce4eaa24f6f2d03861
    Signed-off-by: Jim Hahn <jrh3@att.com>
    
1 file changed