Fix native platform view integration test config (#107679)

.ci.yaml

@@ -3643,6 +3643,10 @@ targets:
     presubmit: false
     timeout: 60
     properties:
+      dependencies: >-
+        [
+          {"dependency": "xcode", "version": "13a233"}
+        ]
       tags: >
         ["devicelab", "hostonly"]
       task_name: native_platform_view_ui_tests_ios

dev/devicelab/bin/tasks/native_platform_view_ui_tests_ios.dart

@@ -10,6 +10,7 @@ import 'package:flutter_devicelab/framework/utils.dart';
 import 'package:path/path.dart' as path;
 
 Future<void> main() async {
+  deviceOperatingSystem = DeviceOperatingSystem.ios;
   await task(() async {
     final String projectDirectory = '${flutterDirectory.path}/dev/integration_tests/ios_platform_view_tests';