Merge branch 'stable-2.16' into stable-3.0

* stable-2.16:
  Upgrade bazlets to latest stable-2.16 to build with 2.16.8 API
  Upgrade bazlets to latest stable-2.15 to build with 2.15.13 API
  Upgrade bazlets to latest stable-2.14 to build with 2.14.20 API

Change-Id: Ib95f4c41bd357d5ae97cad98f56e87750a59dffe
tree: feefbc57b2f6f7fda3bf7e81b4a51004d4042bc9
  1. .gitignore
  2. BUILD
  3. LICENSE
  4. src/