Revert "Update all Angular libs (run update_all.sh)."

third_party/pkg/di/test_assets/gen_test1/main.dart

-import 'dart:async';
-
-import 'annotations.dart';
-import 'common1.dart';
-
-@lazyA
-import 'a.dart' as a;
-
-@lazyB
-import 'b.dart' as b;
-
-@lazyC
-import 'c.dart' as c;
-
-const lazyA = const DeferredLibrary('lib_a');
-const lazyB = const DeferredLibrary('lib_b');
-const lazyC = const DeferredLibrary('lib_c');
-
-void main() {
-  lazyA.load().then(onALoaded);
-  lazyB.load().then(onBLoaded);
-  lazyC.load().then(onCLoaded);
-}
-
-void onALoaded(_) {
-  var serviceA = new a.ServiceA();
-  serviceA.sayHi();
-}
-
-void onBLoaded(_) {
-  var serviceB = new b.ServiceB();
-  serviceB.sayHi();
-}
-
-void onCLoaded(_) {
-  c.cStuff();
-}
-
-@InjectableTest()
-class ServiceMain {
-  sayHi() {
-    print('Hi ServiceMain!');
-  }
-}