refactor: Move dom_adapter.ts to @angular/common (#32154)

This work is needed in preparation for turning tokens into tree-shakable injectables.

PR Close #32154

packages/platform-browser-dynamic/testing/src/dom_test_component_renderer.ts

@@ -6,10 +6,9 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
-import {DOCUMENT} from '@angular/common';
+import {DOCUMENT, ɵgetDOM as getDOM} from '@angular/common';
 import {Inject, Injectable} from '@angular/core';
 import {TestComponentRenderer} from '@angular/core/testing';
-import {ɵgetDOM as getDOM} from '@angular/platform-browser';
 
 /**
  * A DOM based implementation of the TestComponentRenderer.