Update all Angular libs (run update_all.sh).

third_party/pkg/angular/example/web/animation/repeat_demo.dart

+part of animation;
+
+@Component(
+    selector: 'repeat-demo',
+    template: '''
+      <div class="repeat-demo">
+      <button ng-click="ctrl.addItem()">Add Thing</button>
+      <button ng-click="ctrl.removeItem()">Remove Thing
+      </button>
+      <ul>
+        <li ng-repeat="outer in ctrl.items">
+          <ul>
+            <li ng-repeat="inner in ctrl.items">{{inner}}</li>
+          </ul>
+        </li>
+      </ul>
+      </div>
+    ''',
+    publishAs: 'ctrl',
+    applyAuthorStyles: true)
+class RepeatDemo {
+  var thing = 0;
+  final items = [];
+
+  void addItem() {
+    items.add("Thing ${thing++}");
+  }
+
+  void removeItem() {
+    if (items.isNotEmpty) items.removeLast();
+  }
+}