Add skeleton healthcheck for pull replication tasks

Register a pull-replication healthcheck in the healthcheck plugin's
dynamic set.
This change is just the scaffolding for the pull-replication health
check, a dummy check which (for now) always returns PASSED.

Bug: Issue 312895374
Change-Id: I780cfe4f1930e17d6561a4c155828e72a57d8f4a
5 files changed
tree: 475556b7f8375a1ced904c74d2f1001fd4b5c6b3
  1. example-setup/
  2. src/
  3. .gitignore
  4. BUILD
  5. Jenkinsfile
  6. LICENSE