Resolves #680 Audio Do Not Monitor is not working. Adds audio segment drop tone to indicate that an audio playback is dropped because the do not monitor setting was applied after the audio segment started. (#681)

Co-authored-by: Denny <denny@denny-desktop>

src/main/java/io/github/dsheirer/controller/channel/ChannelProcessingManager.java

@@ -422,7 +422,6 @@ public class ChannelProcessingManager implements Listener<ChannelEvent>
 
         for(Channel channel : channelsToStop)
         {
-            mLog.info("Stopping channel: " + channel.toString());
             stopProcessing(channel, true);
         }
     }