fix codacy warning

Fields should be declared at the top of the class, before any method declarations, constructors, initializers or inner classes.

Signed-off-by: Marcel Hibbe <dev@mhibbe.de>

app/src/main/java/com/nextcloud/talk/signaling/SignalingMessageReceiver.java

@@ -50,6 +50,18 @@ import java.util.Map;
  */
 public abstract class SignalingMessageReceiver {
 
+    private final ParticipantListMessageNotifier participantListMessageNotifier = new ParticipantListMessageNotifier();
+
+    private final LocalParticipantMessageNotifier localParticipantMessageNotifier = new LocalParticipantMessageNotifier();
+
+    private final CallParticipantMessageNotifier callParticipantMessageNotifier = new CallParticipantMessageNotifier();
+
+    private final ConversationMessageNotifier conversationMessageNotifier = new ConversationMessageNotifier();
+
+    private final OfferMessageNotifier offerMessageNotifier = new OfferMessageNotifier();
+
+    private final WebRtcMessageNotifier webRtcMessageNotifier = new WebRtcMessageNotifier();
+
     /**
      * Listener for participant list messages.
      *
@@ -187,18 +199,6 @@ public abstract class SignalingMessageReceiver {
         void onEndOfCandidates();
     }
 
-    private final ParticipantListMessageNotifier participantListMessageNotifier = new ParticipantListMessageNotifier();
-
-    private final LocalParticipantMessageNotifier localParticipantMessageNotifier = new LocalParticipantMessageNotifier();
-
-    private final CallParticipantMessageNotifier callParticipantMessageNotifier = new CallParticipantMessageNotifier();
-
-    private final ConversationMessageNotifier conversationMessageNotifier = new ConversationMessageNotifier();
-
-    private final OfferMessageNotifier offerMessageNotifier = new OfferMessageNotifier();
-
-    private final WebRtcMessageNotifier webRtcMessageNotifier = new WebRtcMessageNotifier();
-
     /**
      * Adds a listener for participant list messages.
      *