fix(@angular-devkit/build-angular): remove circular dependencies warnings in ngfactory files

Fixes #11135

Author: ahasall

packages/angular_devkit/build_angular/src/angular-cli-files/models/webpack-configs/common.ts

@@ -149,7 +149,7 @@ export function getCommonConfig(wco: WebpackConfigOptions) {
 
   if (buildOptions.showCircularDependencies) {
     extraPlugins.push(new CircularDependencyPlugin({
-      exclude: /[\\\/]node_modules[\\\/]/,
+      exclude: /([\\\/]node_modules[\\\/])|(ngfactory\.js$)/,
     }));
   }