Add sendActivate to AIR, for activating DBSS objects.
Add sendActivate to AIR, for activating DBSS objects.

Wilee999/panda3d,Wilee999/panda3d,Wilee999/panda3d,Wilee999/panda3d,Wilee999/panda3d,Wilee999/panda3d,Wilee999/panda3d,Wilee999/panda3d,Wilee999/panda3d