Bump src/cloud_controller_ng

[Delivers #72354910]

Bump cloudfoundry/cloud_controller_ng:
  Nicholas Calugar:
     Run specs locally more like Travis would ( Travis created: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/26409244 )

Signed-off-by: Abhijit Hiremagalur <abhi@pivotallabs.com>