test(integration): prevent auto-relaunch on Android (#4833)

Author: jpnurmi

integration-test/net9-maui/App.xaml.cs

@@ -102,8 +102,6 @@ public static void Kill()
         SentrySdk.Close();
 
 #if ANDROID
-        // prevent auto-restart
-        Platform.CurrentActivity?.FinishAffinity();
         Process.KillProcess(Process.MyPid());
 #elif IOS
         System.Environment.Exit(0);

integration-test/net9-maui/MainPage.xaml.cs

@@ -5,12 +5,10 @@ public partial class MainPage : ContentPage
     public MainPage()
     {
         InitializeComponent();
-    }
-
-    protected override void OnAppearing()
-    {
-        base.OnAppearing();
 
-        App.OnAppearing();
+        this.Loaded += (s, e) =>
+        {
+            App.OnAppearing();
+        };
     }
 }