Bump src/cloud_controller_ng

Bump cloudfoundry/cloud_controller_ng:
  Onsi Fakhouri:
     fix regression bug where CC could not handle stop messages from HM9000 ( Travis started: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/14936796 )
  Phan Le:
     Document async parameter only in requests that support it ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/14897373 )
     Only show filtering request params for list requests ( Travis Unknown )
     Update the audit record title ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/14893969 )
     Add a test that would fail if a contents of API spec folder changed. ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/14893462 )
  Aram Price:
     Make spec match description ( Travis Failed: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/14893357 )
  Lucas Marks and Ryan Tang:
     Removed query order dependency to fix intermittently failing test ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/14892157 )
     Add app_id to v1 bind request ( Travis Unknown )
  Maria Shaldibina:
     Remove 1.9.3 from travis matrix ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/14881604 )
  Tim Labeeuw:
     Remove reduntant code ( Travis Unknown )