Merge pull request #19702 from av8ramit/relnotes_19b
authorAmit Patankar <amitpatankar@google.com>
Tue, 5 Jun 2018 16:47:09 +0000 (09:47 -0700)
committerGitHub <noreply@github.com>
Tue, 5 Jun 2018 16:47:09 +0000 (09:47 -0700)
Updating release notes for r1.9.


Trivial merge