Merge branch 'stable-3.0'

* stable-3.0:
  Upgrade bazlets to latest stable-2.16 to build with 2.16.14 API
  Upgrade bazlets to latest stable-3.0 to build with 3.0.5 API

Change-Id: I1e0ba6ffe242f1a24247cd3f62fbf8c8a78963b6