Adapt output artifact directory for Bazel 0.25

Bazel 0.25 flipped the bit for incompatible_merge_genfiles_directory.

Bug: Issue 10665
Change-Id: If191cc3accb40f1efa7d83de434a8628afa65281
25 files changed
tree: 60894ca2a160308ec52c9f7c82839100d47aac3c
  1. jenkins/
  2. jenkins-docker/
  3. worker/
  4. .gitignore