Bump src/cloud_controller_ng

Bump cloudfoundry/cloud_controller_ng:
  Michael Fraenkel:
       NFS works on trusty ( Travis Success:
       https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/32914779
       )

* nginx starts after CC
* write a Start message to the logs

[#76381150]

Signed-off-by: Luan Santos <lsantos@pivotal.io>