Merge branch 'stable-2.14' into stable-2.15

* stable-2.14:
  bazlets: Replace native.git_repository with skylark rule
  Upgrade bazlets to latest stable-2.14 to build with 2.14.15 API
  Format all Bazel build files with buildifier
  Migrate (i.e. move) `tools/bazel.rc` to `.bazelrc`
  Update bazlets to build with current latest 2.14.14 API

Change-Id: I8bb64c43f27e865db493348b969ac7c849da1c71