Update git submodules

* Update kubernetes/aai from branch 'master'
  to 0c4cd899d53538202c23030ab278984897aede94
  - Merge "Use released schema-service 1.6.7 container"
  - Use released schema-service 1.6.7 container
    
    Issue-ID: AAI-2838
    Signed-off-by: Jimmy Forsyth <jf2512@att.com>
    Change-Id: Id996c09778a2209ed938cca4b64876e6221210d3
    
1 file changed