refactor: change provide(...) for {provide: ...}

- provide() is deprecated,
- {} syntax is required by the offline compiler

modules/@angular/platform-browser/test/browser/tools/spies.ts

@@ -12,7 +12,7 @@ export class SpyComponentRef extends SpyObject {
   constructor() {
     super();
     this.injector = ReflectiveInjector.resolveAndCreate(
-        [provide(ApplicationRef, {useClass: SpyApplicationRef})]);
+        [{provide: ApplicationRef, useClass: SpyApplicationRef}]);
   }
 }