build(examples): upgrade to protractor 4.0.9 (#12803)

closes #12798

modules/@angular/examples/common/pipes/ts/e2e_test/pipe_spec.ts

@@ -6,10 +6,11 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
+import {$, ExpectedConditions, browser, by, element} from 'protractor';
 import {verifyNoBrowserErrors} from '../../../../_common/e2e_util';
 
 function waitForElement(selector: string) {
-  var EC = (<any>protractor).ExpectedConditions;
+  var EC = ExpectedConditions;
   // Waits for the element with id 'abc' to be present on the dom.
   browser.wait(EC.presenceOf($(selector)), 20000);
 }