Merge branch 'stable-3.0'

* stable-3.0:
  Upgrade bazlets to latest stable-3.0
  Upgrade bazlets to latest stable-2.16
  Upgrade bazlets to latest stable-2.15
  Upgrade bazlets to latest stable-2.14

Change-Id: Iaeb28297e6012d07a10b9adc909a5a40c0eb3f1e