Updates #27218

Change-Id: I4ce20376fd601b5f958d79014af7eaf89e9de613
Reviewed-on: https://go-review.googlesource.com/c/141818
Run-TryBot: Martin Möhrmann <moehrmann@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>