Add object:active-descendant-changed to events that may be part of an "event flood"
Add object:active-descendant-changed to events that may be part of an "event flood"

GNOME/orca,GNOME/orca,h4ck3rm1k3/orca-sonar,h4ck3rm1k3/orca-sonar,pvagner/orca,GNOME/orca,chrys87/orca-beep,GNOME/orca,pvagner/orca,chrys87/orca-beep,chrys87/orca-beep,pvagner/orca,chrys87/orca-beep,h4ck3rm1k3/orca-sonar,pvagner/orca