Add --go-patch to generate-test-standalone-manifest
Add --go-patch to generate-test-standalone-manifest

This lets us use operations files with this script.

[#156461546]

cloudfoundry-incubator/bits-service-release,cloudfoundry-incubator/bits-service-release,cloudfoundry-incubator/bits-service-release,cloudfoundry-incubator/bits-service-release