Build the simple-submit-rules plugin on its own stable-2.16 branch

The plugin's master branch is no longer compatible with core
gerrit on stable-2.16, and a stable-2.16 branch has been created
from the last compatible commit.

Change-Id: I51d2b7c270fb214f50b28338bc8d868d0ba4404b
1 file changed
tree: d13025cd45bcdcd415bff2da1a9e6e47fc557975
  1. jenkins/
  2. jenkins-docker/
  3. worker/
  4. .gitignore