Build only 2 changes at a time

The GCE nodes are not online anymore and with the current
slaves we have, it is better to reduce the parallelism to
avoid too much WIP and overload our nodes.

Change-Id: Ib4d6474e5df25f1c3305ae972483e1c4a704f869
1 file changed
tree: 677c5e60c7f0b2721577516e6f43cc6e7672b9d6
  1. jenkins/
  2. jenkins-docker/
  3. .gitignore