Failures seen on some FYI bots.

Change-Id: I4853438c34ce55a1d803d3a7edf3b3e077905264
Reviewed-on: https://chromium-review.googlesource.com/264462Reviewed-by: Geoff Lang <geofflang@chromium.org>
Tested-by: Geoff Lang <geofflang@chromium.org>