Marks Windows build_android_host_app_with_module_aar to be unflaky (#157419)

<!-- meta-tags: To be used by the automation script only, DO NOT MODIFY.
{
  "name": "Windows build_android_host_app_with_module_aar"
}
-->
The test has been passing for [50 consecutive runs](https://data.corp.google.com/sites/flutter_infra_metrics_datasite/flutter_check_test_flakiness_status_dashboard/?p=BUILDER_NAME:%22Windows%20build_android_host_app_with_module_aar%22).
This test can be marked as unflaky.

Author: fluttergithubbot

.ci.yaml

@@ -5741,7 +5741,6 @@ targets:
       - .ci.yaml
 
   - name: Windows build_android_host_app_with_module_aar
-    bringup: true
     recipe: devicelab/devicelab_drone
     timeout: 60
     properties: