Revert "hmulti_audio.media_addon: stop the output thread on BTimedEventQueue::B_STOP"

This reverts commit 571148258b.

Change-Id: I5efa34035ebe51fce2521684987bb6e8b7dc42d3
Reviewed-on: https://review.haiku-os.org/c/haiku/+/2246
Reviewed-by: Jérôme Duval <[email protected]>

src/add-ons/media/media-add-ons/multi_audio/MultiAudioNode.cpp

@@ -1256,7 +1256,6 @@ MultiAudioNode::_HandleStart(const media_timed_event* event, bigtime_t lateness,
 {
 	CALLED();
 	if (RunState() != B_STARTED) {
-		_StartOutputThreadIfNeeded();
 	}
 	return B_OK;
 }
@@ -1292,7 +1291,7 @@ MultiAudioNode::_HandleStop(const media_timed_event* event, bigtime_t lateness,
 	EventQueue()->FlushEvents(0, BTimedEventQueue::B_ALWAYS, true,
 		BTimedEventQueue::B_HANDLE_BUFFER);
 
-	_StopOutputThread();
+	//_StopOutputThread();
 	return B_OK;
 }