fix(platform-browser): should only add styles with native encapsulation in shadow DOM (#14313)

Closes #7887

PR Close #14313

modules/@angular/platform-browser/src/dom/dom_renderer.ts

@@ -127,7 +127,6 @@ export class DomRenderer implements Renderer {
     let nodesParent: Element|DocumentFragment;
     if (this.componentProto.encapsulation === ViewEncapsulation.Native) {
       nodesParent = (hostElement as any).createShadowRoot();
-      this._rootRenderer.sharedStylesHost.addHost(nodesParent);
       for (let i = 0; i < this._styles.length; i++) {
         const styleEl = document.createElement('style');
         styleEl.textContent = this._styles[i];