Expose Gps Navigation Messages in the platform.
b/16405976

Change-Id: Ic982ea2467d116585780c20c2fa7e974e50f8345
diff --git a/services/core/java/com/android/server/location/GpsMeasurementsProvider.java b/services/core/java/com/android/server/location/GpsMeasurementsProvider.java
index 001f638..1c48257 100644
--- a/services/core/java/com/android/server/location/GpsMeasurementsProvider.java
+++ b/services/core/java/com/android/server/location/GpsMeasurementsProvider.java
@@ -29,6 +29,9 @@
  */
 public abstract class GpsMeasurementsProvider
         extends RemoteListenerHelper<IGpsMeasurementsListener> {
+    public GpsMeasurementsProvider() {
+        super("GpsMeasurementsProvider");
+    }
 
     public void onMeasurementsAvailable(final GpsMeasurementsEvent event) {
         ListenerOperation<IGpsMeasurementsListener> operation =