Use google-java-format version 1.6 and warm caches

Visit all the active dev branches of Gerrit Code Review
(stable-2.14, stable-2.15 and master), warm caches and
use the latest and greatest of the google-java-format.

slave-bazel Docker VM is then up-to-date and with all
deps to run any dev branch validation job as quckly
as possible.

Change-Id: I14567f6f7f1234f637cbcf5806401746ca1b5892
2 files changed
tree: 9a6a81d99b194a31bc8d39b86c942d70f8234824
  1. jenkins/
  2. jenkins-docker/
  3. worker/
  4. .gitignore