feat(bazel): ng_module produces bundle index (#22176)

It creates the bundle index .d.ts and .metadata.json files.
The names are based on the ng_module target.

PR Close #22176

packages/compiler-cli/integrationtest/bazel/ng_module/parent.ts

@@ -0,0 +1,13 @@
+/**
+ * @license
+ * Copyright Google Inc. All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+
+import {NgModule} from '@angular/core';
+
+@NgModule({})
+export class Parent {
+}