Cleanup using Android Studio code analyzer.

src/main/java/de/dennisguse/opentracks/services/TrackRecordingService.java

@@ -717,7 +717,7 @@ public class TrackRecordingService extends Service {
         return remoteSensorManager.getSensorData();
     }
 
-    void fillWithSensorDataSet(TrackPoint trackPoint) {
+    private void fillWithSensorDataSet(TrackPoint trackPoint) {
         SensorDataSet sensorData = getSensorDataSet();
         if (sensorData != null) {
             sensorData.fillTrackPoint(trackPoint);

src/main/java/de/dennisguse/opentracks/services/TrackRecordingServiceInterface.java

@@ -47,8 +47,6 @@ public interface TrackRecordingServiceInterface {
 
     /**
      * Resumes the track identified by trackId.
-     *
-     * @param trackId
      */
     void resumeTrack(long trackId);
 

src/main/java/de/dennisguse/opentracks/services/tasks/AnnouncementPeriodicTask.java

@@ -25,7 +25,6 @@ import android.util.Log;
 
 import java.util.Locale;
 
-import de.dennisguse.opentracks.R;
 import de.dennisguse.opentracks.content.data.Track;
 import de.dennisguse.opentracks.content.provider.ContentProviderUtils;
 import de.dennisguse.opentracks.services.TrackRecordingService;