Mark Gps Raw related APIs as System APIs.

b/16727892

Change-Id: I29d78d45aef7829c3321ae4e7c26549e46fa39f9

location/java/android/location/GpsNavigationMessageEvent.java

@@ -17,13 +17,11 @@
 package android.location;
 
 import android.annotation.NonNull;
+import android.annotation.SystemApi;
 import android.os.Parcel;
 import android.os.Parcelable;
 
 import java.security.InvalidParameterException;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.Collections;
 
 /**
  * A class implementing a container for data associated with a navigation message event.
@@ -31,6 +29,7 @@ import java.util.Collections;
  *
  * @hide
  */
+@SystemApi
 public class GpsNavigationMessageEvent implements Parcelable {
     private final GpsNavigationMessage mNavigationMessage;
 
@@ -41,6 +40,7 @@ public class GpsNavigationMessageEvent implements Parcelable {
      *
      * @hide
      */
+    @SystemApi
     public interface Listener {
         void onGpsNavigationMessageReceived(GpsNavigationMessageEvent event);
     }