MediaRouter: Remove the globally selected route feature

Bug: 23887911, Bug: 32958908
Test: Manual and passed MediaRouterTest
Change-Id: I0106cf1054d2117a2e86f99087cd8bda0eac020c

media/java/android/media/MediaRouterClientState.java

@@ -34,20 +34,12 @@ public final class MediaRouterClientState implements Parcelable {
      */
     public final ArrayList<RouteInfo> routes;
 
-    /**
-     * The id of the current globally selected route, or null if none.
-     * Globally selected routes override any other route selections that applications
-     * may have made.  Used for remote displays.
-     */
-    public String globallySelectedRouteId;
-
     public MediaRouterClientState() {
         routes = new ArrayList<RouteInfo>();
     }
 
     MediaRouterClientState(Parcel src) {
         routes = src.createTypedArrayList(RouteInfo.CREATOR);
-        globallySelectedRouteId = src.readString();
     }
 
     public RouteInfo getRoute(String id) {
@@ -69,13 +61,11 @@ public final class MediaRouterClientState implements Parcelable {
     @Override
     public void writeToParcel(Parcel dest, int flags) {
         dest.writeTypedList(routes);
-        dest.writeString(globallySelectedRouteId);
     }
 
     @Override
     public String toString() {
-        return "MediaRouterClientState{ globallySelectedRouteId="
-                + globallySelectedRouteId + ", routes=" + routes.toString() + " }";
+        return "MediaRouterClientState{ routes=" + routes.toString() + " }";
     }
 
     public static final Parcelable.Creator<MediaRouterClientState> CREATOR =