Merge branch 'stable-3.4' into stable-3.5

* stable-3.4:
  Replicate first commit tree objects

Change-Id: I4811ee73b79ae725e93af7113782781c5c6ee315
tree: ba4883264e70f0899d1417ae7ba714871158a00a
  1. example-setup/
  2. src/
  3. .gitignore
  4. BUILD
  5. external_plugin_deps.bzl
  6. Jenkinsfile
  7. LICENSE