build: produce metadata bundles for @angular modules (#14509)

Closes #14509

tools/public_api_guard/common/index.d.ts

@@ -32,6 +32,10 @@ export declare class DecimalPipe implements PipeTransform {
     transform(value: any, digits?: string): string;
 }
 
+/** @deprecated */
+export declare class DeprecatedCommonModule {
+}
+
 /** @stable */
 export declare class HashLocationStrategy extends LocationStrategy {
     constructor(_platformLocation: PlatformLocation, _baseHref?: string);

tools/public_api_guard/router/index.d.ts

@@ -345,6 +345,9 @@ export declare class RouterStateSnapshot extends Tree<ActivatedRouteSnapshot> {
 /** @stable */
 export declare type Routes = Route[];
 
+/** @experimental */
+export declare const ROUTES: InjectionToken<Route[][]>;
+
 /** @stable */
 export declare class RoutesRecognized {
     id: number;