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.

MyTracksTest/src/com/google/android/apps/mytracks/content/MyTracksProviderUtilsImplTest.java

@@ -746,17 +746,6 @@ public class MyTracksProviderUtilsImplTest extends AndroidTestCase {
     assertEquals(11, providerUtils.getTrackPointCursor(trackId, 0, 1000, false).getCount());
   }
 
-  /**
-   * Tests the method {@link MyTracksProviderUtilsImpl#getLastTrackPoint(long)}.
-   */
-  public void testGetLastTrackPoint() {
-    // Insert track, point at first.
-    long trackId = System.currentTimeMillis();
-    Track track = getTrack(trackId, 10);
-    insertTrackWithLocations(track);
-    checkLocation(9, providerUtils.getLastTrackPoint(trackId));
-  }
-
   /**
    * Tests the method {@link MyTracksProviderUtilsImpl#getLastTrackPointId(long)}.
    */