Merge pull request #19960 from annarev/cherrypicks_NHLZ4
authorMichael Case <mikecase@google.com>
Wed, 13 Jun 2018 17:56:42 +0000 (10:56 -0700)
committerGitHub <noreply@github.com>
Wed, 13 Jun 2018 17:56:42 +0000 (10:56 -0700)
r1.9-rc1 cherry-pick request: Fix module docstrings


Trivial merge