Fix unit tests.

MyTracks/src/com/google/android/apps/mytracks/maps/SingleColorTrackPathPainter.java

@@ -51,7 +51,7 @@ public class SingleColorTrackPathPainter implements TrackPathPainter {
   @Override
   public void updatePath(Projection projection, Rect viewRect, int startLocationIdx,
       Boolean alwaysVisible, List<CachedLocation> points) {
-    path = new Path();
+    path = newPath();
     updatePath(projection, viewRect, startLocationIdx, alwaysVisible, points, path);
 
   }

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

@@ -40,7 +40,7 @@ public class DescriptionGeneratorImplTest extends AndroidTestCase {
 
   /**
    * Tests {@link DescriptionGeneratorImpl#generateTrackDescription(Track,
-   * java.util.Vector, java.util.Vector)}.
+   * java.util.Vector, java.util.Vector, boolean)}.
    */
   public void testGenerateTrackDescription() {
     Track track = new Track();

MyTracksTest/src/com/google/android/apps/mytracks/io/sendtogoogle/UploadServiceChooserActivityTest.java

@@ -186,10 +186,6 @@ public class UploadServiceChooserActivityTest extends
 
   /**
    * Initials a activity to be tested.
-   * 
-   * @param showMaps
-   * @param showFusionTables
-   * @param showDocs
    */
   private void initialActivity() {
     Intent intent = new Intent();