Update pubspecs and dependencies to get pkgbuild tests working.

third_party/pkg/angular/lib/directive/ng_bind_template.dart

-part of angular.directive;
-
-/**
- * The [NgBindTemplateDirective] specifies that the element text content should
- * be replaced with the interpolation of the template in the ngBindTemplate
- * attribute. Unlike ngBind, the ngBindTemplate can contain multiple {{ }}
- * expressions.
- */
-@NgDirective(
-  selector: '[ng-bind-template]',
-  map: const {'ng-bind-template': '@bind'})
-class NgBindTemplateDirective {
-  final dom.Element element;
-
-  NgBindTemplateDirective(this.element);
-
-  set bind(value) {
-    element.text = value;
-  }
-}