Fix ChromeVox presubmit

TBR=akihiroota@chromium.org

Change-Id: I7fed743fe8a85c4af503dc9c9a0316160588e1b0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1576325
Reviewed-by: David Tseng <dtseng@chromium.org>
Commit-Queue: David Tseng <dtseng@chromium.org>
Cr-Commit-Position: refs/heads/master@{#652923}
1 file changed