Clear active queries before Begin Bug: angleproject:8415 Change-Id: I97dfd904d65933a66f25cd168c50fe150ef9c765 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5068525 Reviewed-by: Geoff Lang <geofflang@chromium.org> Commit-Queue: Sergey Kataev <sergeyka@chromium.org>