feat(platform-browser-dynamic): export JitCompilerFactory (#20478)

Fixes #20125
PR Close #20478

integration/dynamic-compiler/src/lazy.module.ts

@@ -0,0 +1,17 @@
+import {NgModule} from "@angular/core";
+import {Component} from '@angular/core';
+
+@Component({
+  selector: 'lazy-component',
+  template: 'Lazy-loaded component!'
+})
+export class LazyComponent {
+  constructor() {
+  }
+}
+
+@NgModule({
+  declarations: [LazyComponent]
+})
+export class LazyModule {
+}