Android. Can't prevent Back button event on Next

Hi there!
I changed my app mode from legacy to next and noticed back button minizme app instead of custom behavior. Legacy works properly. And keyCode=1073742094 (not 27) in Next.
Trace events
Next:

[KeyboardEvent type="keyDown" bubbles=true cancelable=false charCode=0 keyCode=1073742094 keyLocation=0 ctrlKey=false altKey=false shiftKey=false]
[KeyboardEvent type="keyUp" bubbles=true cancelable=false charCode=0 keyCode=1073742094 keyLocation=0 ctrlKey=false altKey=false shiftKey=false]

Legacy:

[KeyboardEvent type=keyDown bubbles=true cancelable=true charCode=0 keyCode=27 keyLocation=1 ctrlKey=false altKey=false shiftKey=false]
[KeyboardEvent type=keyUp bubbles=true cancelable=true charCode=0 keyCode=27 keyLocation=1 ctrlKey=false altKey=false shiftKey=false]

My code:

Lib.current.stage.addEventListener(KeyboardEvent.KEY_DOWN, onKeyDown);
Lib.current.stage.addEventListener(KeyboardEvent.KEY_UP, onKeyUp);

private function onKeyDown(e:KeyboardEvent):Void 
{
	if (e.keyCode == Keyboard.ESCAPE || e.keyCode == 1073742094)
	{
		e.stopImmediatePropagation();
		e.stopPropagation();
	}
}

private function onKeyUp(e:KeyboardEvent):Void 
{
	if (e.keyCode == Keyboard.ESCAPE || e.keyCode == 1073742094)
	{	
		e.stopImmediatePropagation();
		e.stopPropagation();
		// game logic
	}
}

UPD: API15, Android 4.0.4, HTC Incredible S