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: Ibf41eeb55d9b1de309893e0e2fc1d983a422c843