In TrackRecordingService, fix the code on detecting if a location

is already inserted in the database.
In TripStatisticsUpdater, improve total distance accuracy by
taking into account the last point in a segment.

MyTracksLib/src/com/google/android/apps/mytracks/content/MyTracksProviderUtils.java

@@ -211,13 +211,6 @@ public interface MyTracksProviderUtils {
    */
   public Location createTrackPoint(Cursor cursor);
 
-  /**
-   * Gets the last location for a track. Returns null if it doesn't exist.
-   * 
-   * @param trackId the track id
-   */
-  public Location getLastTrackPoint(long trackId);
-
   /**
    * Gets the last location id for a track. Returns -1L if it doesn't exist.
    * 

MyTracksLib/src/com/google/android/apps/mytracks/content/MyTracksProviderUtilsImpl.java

@@ -697,17 +697,6 @@ public class MyTracksProviderUtilsImpl implements MyTracksProviderUtils {
     return location;
   }
 
-  @Override
-  public Location getLastTrackPoint(long trackId) {
-    if (trackId < 0) {
-      return null;
-    }
-    String selection = TrackPointsColumns._ID + "=(select max(" + TrackPointsColumns._ID + ") from "
-        + TrackPointsColumns.TABLE_NAME + " WHERE " + TrackPointsColumns.TRACKID + "=?)";
-    String[] selectionArgs = new String[] { Long.toString(trackId) };
-    return findTrackPointBy(selection, selectionArgs);
-  }
-
   @Override
   public long getLastTrackPointId(long trackId) {
     if (trackId < 0) {