Updates #22460.

Change-Id: I3f793e69577c1b837ad2666e6209a97a452405d4
Reviewed-on: https://go-review.googlesource.com/92703
Run-TryBot: Austin Clements <austin@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>