Merge branch 'stable-2.16'

* stable-2.16:
  Update bazlets to latest revision on stable-2.16
  Update bazlets to latest revision on stable-2.15
  Update bazlets to latest revision on stable-2.14
  EvaluationTask: Stop using deprecated getRefs method

Change-Id: I90be011b6bfbf55531713ccd4f0f3fc845dd76c9