Allow queries of different types to be active at the same time BUG=605775 Change-Id: I0e23fae25d450c504f174a080279cf51aebcd123 Reviewed-on: https://chromium-review.googlesource.com/340112 Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org> Commit-Queue: Corentin Wallez <cwallez@chromium.org>