For custom wheel events, event propagation starts from the focused actor.

For custom wheel events, event propagation starts from the focused actor.

Previously, RotaryEvents could always be received only by window.
Now, User can receive Rotary Events in focused View as well.
It is also possible to propagate events to the parent view.

If there is no focused View, the window will receive the event.

This only applies to Rotary Event(CustomWheel type).

Change-Id: Ifc2f180246bb282efeb5094f970f38b0b76d8dad