Merge branch 'stable-3.0' into stable-3.1

* stable-3.0:
  Upgrade bazlets to latest stable-3.0 to build with 3.0.12 API
  Upgrade bazlets to latest stable-2.16 to build with 2.16.22 API

Change-Id: I2f6a2ea54e9a9e6643b7f136aa7d59b32032a188
tree: 11c067db19a5a476c33a2c81efdcbfd615bec088
  1. .settings/
  2. src/
  3. .bazelignore
  4. .bazelversion
  5. bazlets.bzl
  6. BUILD
  7. LICENSE