refactor(TypeScript): Add noImplicitAny

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

Fixes #4924

modules/@angular/core/testing/lang_utils.ts

@@ -1,4 +1,4 @@
-export function getTypeOf(instance) {
+export function getTypeOf(instance: any /** TODO #9100 */) {
   return instance.constructor;
 }