Re-calculate the calorie while user change the activity type of track. Show standard "value_unknown" (-) when the activity type is not supported.

MyTracks/src/com/google/android/apps/mytracks/fragments/MarkerDetailFragment.java

@@ -192,8 +192,7 @@ public class MarkerDetailFragment extends Fragment {
       TextView name = (TextView) getView().findViewById(R.id.marker_detail_statistics_name);
       name.setText(getString(R.string.generic_name_line, waypoint.getName()));
 
-      StatsUtils.setTripStatisticsValues(getActivity(), waypoint.getTripStatistics(),
-          waypoint.getTrackId());
+      StatsUtils.setTripStatisticsValues(getActivity(), waypoint.getTripStatistics());
       StatsUtils.setLocationValues(getActivity(), waypoint.getLocation(), false);
     }
   }

MyTracks/src/com/google/android/apps/mytracks/fragments/StatsFragment.java

@@ -259,11 +259,7 @@ public class StatsFragment extends Fragment implements TrackDataListener {
    * Updates the UI.
    */
   private void updateUi(FragmentActivity activity) {
-    StatsUtils.setTripStatisticsValues(
-        activity,
-        lastTripStatistics,
-        trackDataHub == null ? PreferencesUtils.RECORDING_TRACK_ID_DEFAULT : trackDataHub
-            .getSelectedTrackId());
+    StatsUtils.setTripStatisticsValues(activity, lastTripStatistics);
     StatsUtils.setLocationValues(activity, lastLocation, isSelectedTrackRecording());
   }
 }