See https://docs.bazel.build/versions/master/best-practices.html#repository-rules.

Change-Id: If546cbf1572e0366d764469343d1d8109a1d5863
ORIGINAL_AUTHOR=Thai Duong <thaidn@google.com>
GitOrigin-RevId: 178a4ee2ce686a1832ae1ec809fd8fd11eb73212