Fix possible invalid pointer index in swipe dismiss: exit out if the pointer index is -1. Also allow user to cancel this if in swipe mode. Change-Id: I0f623ced0287679be8dd5c93ab6c67504b82fe9b
Fix possible invalid pointer index in swipe dismiss: exit out if the pointer index is -1. Also allow user to cancel this if in swipe mode. Change-Id: I0f623ced0287679be8dd5c93ab6c67504b82fe9b