Merge branch 'stable-3.0'

* stable-3.0:
  Upgrade bazlets to latest stable-3.0 to build with 3.0.4 API
  Upgrade bazlets to latest stable-2.16 to build with 2.16.13 API

Change-Id: If4af14695a25f3ec6d03130bfb804a19fe6ff4f4