Bug 828563 - Part 2: Use Location.getTime() instead of getElapsedRealtimeNanos(). a=bustage CLOSED TREE

--HG--
extra : amend_source : 85ba5aa824bed8f15b98537672eee1cccba44416

mobile/android/base/GeckoAppShell.java

@@ -413,9 +413,7 @@ public class GeckoAppShell
                 continue;
             }
 
-            long timeDiff = location.getElapsedRealtimeNanos()
-                            - lastKnownLocation.getElapsedRealtimeNanos();
-
+            long timeDiff = location.getTime() - lastKnownLocation.getTime();
             if (timeDiff > 0 ||
                 (timeDiff == 0 &&
                  getLocationAccuracy(location) < getLocationAccuracy(lastKnownLocation))) {