StatisticsRecordingFragment: set speed=0 when TrackPoint is outdated.

src/main/java/de/dennisguse/opentracks/fragments/StatisticsRecordingFragment.java

@@ -111,6 +111,12 @@ public class StatisticsRecordingFragment extends Fragment implements TrackDataLi
         public void run() {
             if (isResumed() && isSelectedTrackRecording()) {
                 if (!isSelectedTrackPaused() && lastTrackStatistics != null) {
+                    synchronized (this) {
+                        if (lastTrackPoint != null && lastTrackPoint.hasLocation() && !lastTrackPoint.isRecent()) {
+                            lastTrackPoint = null;
+                            setLocationValues();
+                        }
+                    }
                     updateTotalTime();
                     updateSensorDataUI();
                 }
@@ -222,6 +228,7 @@ public class StatisticsRecordingFragment extends Fragment implements TrackDataLi
         if (isResumed()) {
             getActivity().runOnUiThread(() -> {
                 if (isResumed()) {
+                    synchronized (this) {
                         this.lastTrackPoint = newLastTrackPoint;
 
                         if (!isSelectedTrackRecording() || isSelectedTrackPaused()) {
@@ -233,6 +240,7 @@ public class StatisticsRecordingFragment extends Fragment implements TrackDataLi
                         }
                         setLocationValues();
                     }
+                }
             });
         }
     }