Merge branch 'stable-2.16'

* stable-2.16:
  Update mockito-core to 2.24.0
  Upgrade bazlets to latest stable-2.16 to build with 2.16.4 API
  Upgrade bazlets to latest stable-2.15 to build with 2.15.9 API
  Upgrade bazlets to latest stable-2.15 to build with 2.15.8 API
  Upgrade bazlets to latest stable-2.14 to build with 2.14.18 API
  Upgrade bazlets to latest stable-2.16 to build with 2.16.2 API
  Update bazlets to latest stable-2.16 to build with 2.16.1 API

Change-Id: Ic0b159377a6b57b9e89085d0677b09b1be5f27ff