Always emit children-changed, property-change, and state-changed events
Always emit children-changed, property-change, and state-changed events

libatspi currently listens for ChildrenChanged, PropertyChange, and
StateChanged events but does not call RegisterEvent for them.
Intending to come up with a better fix for 2.2.

Distrotech/at-spi2-atk,GNOME/at-spi2-core,GNOME/at-spi2-core,Distrotech/at-spi2-atk,GNOME/at-spi2-atk,GNOME/at-spi2-core