fix: display framework version on bootstrapped component (#13252)

modules/@angular/http/src/index.ts

@@ -19,3 +19,4 @@ export {Connection, ConnectionBackend, RequestOptionsArgs, ResponseOptionsArgs,
 export {Request} from './static_request';
 export {Response} from './static_response';
 export {QueryEncoder, URLSearchParams} from './url_search_params';
+export {VERSION} from './version';