#cleanup: Convert trivial uses of host: const { ... } to `@HostBind…

…ing`.

This is a no-op, but I may not have changed _all_ of the host bindings or listeners in this CL (please await upcoming CLs). The `host: const { ... }` syntax is deprecated.

PiperOrigin-RevId: 197008374

_goldens/test/_files/change_detection.dart

@@ -3,10 +3,10 @@ import 'package:angular/angular.dart';
 @Component(
   selector: 'CheckOnce',
   template: '<div>CheckOnce</div>',
-  host: const {'[id]': 'id'},
   changeDetection: ChangeDetectionStrategy.CheckOnce,
 )
 class CheckOnceComponent {
+  @HostBinding('id')
   String id;
 }