Fixed diego yml to supply metron_agent deployment property
Fixed diego yml to supply metron_agent deployment property

[#92742744]

Signed-off-by: Atul Kshirsagar <80db663a825ead6639a4b6bb3a323b92d8ba5f9a@gmail.com>

cloudfoundry-incubator/diego-release,cloudfoundry-incubator/diego-release,cloudfoundry-incubator/diego-release,cloudfoundry-incubator/diego-release