Fix up default host for policy-server database
Fix up default host for policy-server database

[#121004155]

Signed-off-by: David Bellotti <ee7b64a7f8bbe2748ae69f9d263fcd3e9af96e31@pivotal.io>

cloudfoundry-incubator/cf-networking-release,cloudfoundry-incubator/cf-networking-release,cloudfoundry-incubator/cf-networking-release,cloudfoundry-incubator/cf-networking-release