Also add entrypoints for verifying and updating a test file for easier debugging. This is considerably faster than running the stablity checks against the entire Kubernetes codebase. Change-Id: I5d5e5b3abf396ebf1317a44130f20771a09afb7f
Based on KEP: https://github.com/kubernetes/enhancements/blob/master/keps/sig-instrumentation/20190605-metrics-validation-and-verification.md Add //test/instrumentation:stable_metric_test that compares metrics in source code to those available in "test/instrumentation/testdata/stable-metrics-list.yaml".