Fix missing <algorithm> include. Change-Id: Id6952fa07223217c9dde6798d3ea701b49e6089e Reviewed-on: https://chromium-review.googlesource.com/199313 Reviewed-by: Shannon Woods <shannonwoods@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org> Tested-by: Geoff Lang <geofflang@chromium.org>