Merge branch 'stable-2.16' into master

* stable-2.16:
  Upgrade bazlets to latest stable-2.16 to build with 2.16.10 API
  Upgrade bazlets to latest stable-2.16
  Upgrade bazlets to latest stable-2.15
  Upgrade bazlets to latest stable-2.14
  Upgrade bazlets to latest stable-2.15
  Upgrade bazlets to latest stable-2.14
  Upgrade bazlets to latest stable-2.16 to build with 2.16.9 API
  Upgrade bazlets to latest stable-2.15
  Upgrade bazlets to latest stable-2.14
  Upgrade bazlets to latest stable-2.15 to build with 2.15.14 API

Change-Id: I7d0cbc52671d6cf605834343edf359425020a218