feat(android) extract notification channel name

android/sdk/src/main/java/org/jitsi/meet/sdk/NotificationChannels.java

 
 public class NotificationChannels {
     static final String ONGOING_CONFERENCE_CHANNEL_ID = "JitsiOngoingConferenceChannel";
-    static final String ONGOING_CONFERNCE_CHANNEL_NAME = "Ongoing Conference Notifications";
 
     public static List<String> allIds = new ArrayList<String>() {{ add(ONGOING_CONFERENCE_CHANNEL_ID); }};
 }

android/sdk/src/main/java/org/jitsi/meet/sdk/OngoingNotification.java

 package org.jitsi.meet.sdk;
 
 import static org.jitsi.meet.sdk.NotificationChannels.ONGOING_CONFERENCE_CHANNEL_ID;
-import static org.jitsi.meet.sdk.NotificationChannels.ONGOING_CONFERNCE_CHANNEL_NAME;
 
 import android.app.Notification;
 import android.app.NotificationChannel;
             return;
         }
 
-        channel = new NotificationChannel(ONGOING_CONFERENCE_CHANNEL_ID, ONGOING_CONFERNCE_CHANNEL_NAME, NotificationManager.IMPORTANCE_DEFAULT);
+        channel = new NotificationChannel(ONGOING_CONFERENCE_CHANNEL_ID, context.getString(R.string.ongoing_notification_action_unmute), NotificationManager.IMPORTANCE_DEFAULT);
         channel.enableLights(false);
         channel.enableVibration(false);
         channel.setShowBadge(false);

android/sdk/src/main/res/values/strings.xml

     <string name="ongoing_notification_action_hang_up">Hang up</string>
     <string name="ongoing_notification_action_mute">Mute</string>
     <string name="ongoing_notification_action_unmute">Unmute</string>
+    <string name="ongoing_notification_channel_name">Ongoing Conference Notifications</string>
 </resources>