Merge branch 'stable-3.0'

* stable-3.0:
  Upgrade bazlets to latest stable-3.0 to build with 3.0.7 API
  Upgrade bazlets to latest stable-2.16 to build with 2.16.16 API

Change-Id: I106515bc95a4dbfa5c140e2e7fc0a15e3bfb2a14