fix(renderer): remove unecessary setElementStyles method

There is no need to expose this additional method inside of the Renderer
API. The functionality can be restored by looping and calling
`setElementStyle` instead.

Note that this change is changing code that was was introduced after
the last release therefore this fix is not a breaking change.

Closes #9000
Closes #9009

modules/@angular/compiler/src/identifiers.ts

@@ -49,6 +49,7 @@ import {
   balanceAnimationKeyframes as impBalanceAnimationKeyframes,
   clearStyles as impClearStyles,
   collectAndResolveStyles as impCollectAndResolveStyles,
+  renderStyles as impRenderStyles,
   SecurityContext
 } from '../core_private';
 
@@ -260,6 +261,11 @@ export class Identifiers {
     moduleUrl: ANIMATION_STYLE_UTIL_ASSET_URL,
     runtime: impClearStyles
   });
+  static renderStyles = new CompileIdentifierMetadata({
+    name: 'renderStyles',
+    moduleUrl: ANIMATION_STYLE_UTIL_ASSET_URL,
+    runtime: impRenderStyles
+  });
   static collectAndResolveStyles = new CompileIdentifierMetadata({
     name: 'collectAndResolveStyles',
     moduleUrl: ANIMATION_STYLE_UTIL_ASSET_URL,