Marks Linux_android hybrid_android_views_integration_test to be unflaky (#140865)

<!-- meta-tags: To be used by the automation script only, DO NOT MODIFY.
{
  "name": "Linux_android hybrid_android_views_integration_test"
}
-->
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:%22Linux_android%20hybrid_android_views_integration_test%22).
This test can be marked as unflaky.

.ci.yaml

@@ -2297,7 +2297,6 @@ targets:
 
   - name: Linux_android hybrid_android_views_integration_test
     recipe: devicelab/devicelab_drone
-    bringup: true
     presubmit: false
     timeout: 60
     properties: