R=go1.11

Change-Id: I5078ab714c8ac2c652e6ec496e01b063235a014a
Reviewed-on: https://go-review.googlesource.com/90216
Run-TryBot: Hyang-Ah Hana Kim <hyangah@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>