refactor(TypeScript): Add noImplicitAny

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

Fixes #4924

modules/@angular/platform-browser/test/browser/rectangle_mock.ts

@@ -1,3 +1,3 @@
-export function createRectangle(left, top, width, height) {
+export function createRectangle(left: any /** TODO #9100 */, top: any /** TODO #9100 */, width: any /** TODO #9100 */, height: any /** TODO #9100 */) {
   return {left, top, width, height};
 }