Build metrics-reporter-jmx separately for stable-2.14

Core Gerrit stable-2.15 and later uses a newer version of
metrics-core.

Change-Id: I4fb4542f3b1282d1090b7c438c5a2cbeec821990
1 file changed
tree: 3e398ee26bac6ffc553299dfcea7dcf16188b6ad
  1. jenkins/
  2. jenkins-docker/
  3. worker/
  4. .gitignore