Passes toolstash-check.

Updates #23017

Change-Id: I0ae82e28a6e9e732ba2a6aa98f9b35551efcea10
Reviewed-on: https://go-review.googlesource.com/c/go/+/200580
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>