Add methods notifyRetryingConnection() and notifyConnecting() to ConnectivityManagerApi

app/src/main/java/chat/rocket/android/service/ConnectivityManagerApi.java

@@ -30,4 +30,8 @@ public interface ConnectivityManagerApi {
     void resetConnectivityStateList();
 
     void notifySessionEstablished(String hostname);
+
+    void notifyRetryingConnection(String hostname);
+
+    void notifyConnecting(String hostname);
 }

app/src/main/java/chat/rocket/android/service/RealmBasedConnectivityManager.java

@@ -136,6 +136,12 @@ import io.reactivex.subjects.BehaviorSubject;
         return list;
     }
 
+    @Override
+    public void notifyRetryingConnection(String hostname) {
+        connectivitySubject.onNext(
+                new ServerConnectivity(hostname, ServerConnectivity.STATE_RETRYING_CONNECTION));
+    }
+
     @Override
     public void notifySessionEstablished(String hostname) {
         serverConnectivityList.put(hostname, ServerConnectivity.STATE_SESSION_ESTABLISHED);