Set Gerrit change number as build description

Decorate the build description with a hyperlink that points back
to the Gerrit change under test.

Change-Id: I971f1c0bd94fc3a917699734f85662d8785e6bec
2 files changed
tree: 6024964344807e9786098aeb2c5c9eb892be3655
  1. jenkins/
  2. jenkins-docker/
  3. .gitignore