refactor(TypeScript): Add noImplicitAny

We automatically insert explicit 'any's where needed. These need to be
addressed as in #9100.

Fixes #4924

modules/@angular/common/test/pipes/uppercase_pipe_spec.ts

@@ -12,9 +12,9 @@ import {UpperCasePipe} from '@angular/common';
 
 export function main() {
   describe("UpperCasePipe", () => {
-    var upper;
-    var lower;
-    var pipe;
+    var upper: any /** TODO #9100 */;
+    var lower: any /** TODO #9100 */;
+    var pipe: any /** TODO #9100 */;
 
     beforeEach(() => {
       lower = 'something';