Bump WCT to 6.7.1 and Chrome to 66.0.3359.181

Bump WCT to a pinned version that is compatible with NodeJS 10.x
and is stable and consistent across Docker image builds.
Chrome version compatible with WCT is 66.0.3359.181

Change-Id: I3a5778b6c268304f934cf68ada8cc6aeb8fb3c27
1 file changed
tree: 1b15af1a315d1ce350e40163a0b76e58e42c588a
  1. jenkins/
  2. jenkins-docker/
  3. worker/
  4. .gitignore