Merge branch 'stable-2.14'

* stable-2.14:
  Format all Java files with google-java-format
  Upgrade bazlets to latest stable-2.14 to build with 2.14.17 API
  Migrate (i.e. move) `tools/bazel.rc` to `.bazelrc`

Change-Id: Idf47da4f4ccfbde17e5812c6cd147d7ef5658ec7