feat(router): make router.config public

Author: vsavkin

modules/@angular/router/src/router.ts

@@ -131,7 +131,6 @@ export class Router {
   private locationSubscription: Subscription;
   private routerEvents: Subject<Event>;
   private navigationId: number = 0;
-  private config: Routes;
   private configLoader: RouterConfigLoader;
 
   /**
@@ -148,7 +147,7 @@ export class Router {
       private rootComponentType: Type<any>, private resolver: ComponentResolver,
       private urlSerializer: UrlSerializer, private outletMap: RouterOutletMap,
       private location: Location, private injector: Injector, loader: NgModuleFactoryLoader,
-      config: Routes) {
+      public config: Routes) {
     this.resetConfig(config);
     this.routerEvents = new Subject<Event>();
     this.currentUrlTree = createEmptyUrlTree();

tools/public_api_guard/router/index.d.ts

@@ -166,6 +166,7 @@ export interface Route {
 
 /** @stable */
 export declare class Router {
+    config: Routes;
     events: Observable<Event>;
     /** @experimental */ navigated: boolean;
     routerState: RouterState;