Updates #27103

Change-Id: I1f7d198879e5912661e4156a86e13de2698a5473
Reviewed-on: https://go-review.googlesource.com/130055Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>