Bump src/cloud_controller_ng

Bump cloudfoundry/cloud_controller_ng:
  Max Brunsfeld:
     Mark app as pending when migrating it from DEA to Diego ( Travis created: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/31867769 )

Signed-off-by: Simon Leung <leungs@us.ibm.com>