Log how much time each step takes for a Gerrit event
Log how much time each step takes for a Gerrit event

This will be used for helping understanding where the bottlenecks are

kubernetes/test-infra,jessfraz/test-infra,jessfraz/test-infra,jessfraz/test-infra,kubernetes/test-infra,kubernetes/test-infra,jessfraz/test-infra,kubernetes/test-infra,jessfraz/test-infra,kubernetes/test-infra,kubernetes/test-infra,jessfraz/test-infra