Revert "chore: Remove unnecessary calls to Parse5DomAdapter"

This reverts commit 387a90e546.

modules/@angular/compiler-cli/src/codegen.ts

@@ -4,6 +4,7 @@
  */
 import * as compiler from '@angular/compiler';
 import {ViewEncapsulation} from '@angular/core';
+import {Parse5DomAdapter} from '@angular/platform-server';
 import {AngularCompilerOptions} from '@angular/tsc-wrapped';
 import * as path from 'path';
 import * as ts from 'typescript';
@@ -105,6 +106,8 @@ export class CodeGenerator {
   }
 
   codegen(): Promise<any> {
+    Parse5DomAdapter.makeCurrent();
+
     let stylesheetPromises: Promise<any>[] = [];
     const generateOneFile = (absSourcePath: string) =>
         Promise.all(this.readComponents(absSourcePath))

modules/@angular/compiler-cli/src/extract_i18n.ts

@@ -16,6 +16,8 @@ import {ViewEncapsulation} from '@angular/core';
 import {StaticReflector} from './static_reflector';
 import {CompileMetadataResolver, HtmlParser, DirectiveNormalizer, Lexer, Parser, TemplateParser, DomElementSchemaRegistry, StyleCompiler, ViewCompiler, TypeScriptEmitter, MessageExtractor, removeDuplicates, ExtractionResult, Message, ParseError, serializeXmb,} from './compiler_private';
 
+import {Parse5DomAdapter} from '@angular/platform-server';
+
 import {ReflectorHost} from './reflector_host';
 import {StaticAndDynamicReflectionCapabilities} from './static_reflection_capabilities';
 
@@ -95,6 +97,7 @@ class Extractor {
   }
 
   extract(): Promise<any> {
+    Parse5DomAdapter.makeCurrent();
     _dirPaths.clear();
 
     const promises = this._program.getSourceFiles()