[tests] ignore nodename nor servname provided, or not known

[jonathanpeppers]

Expand upon 24ccf0c to also use Assert.Inconclusive() for the error:

AarContentExtraction(NativeAOT)

Error message
System.Net.Http.HttpRequestException : nodename nor servname provided, or not known (repo1.maven.org:443)
----> System.Net.Sockets.SocketException : nodename nor servname provided, or not known

Stack trace
   at System.Net.Http.HttpConnectionPool.ConnectToTcpHostAsync(String host, Int32 port, HttpRequestMessage initialRequest, Boolean async, CancellationToken cancellationToken)
   at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
   at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
   at System.Net.Http.HttpConnectionPool.InjectNewHttp11ConnectionAsync(QueueItem queueItem)
   at System.Threading.Tasks.TaskCompletionSourceWithCancellation`1.WaitWithCancellationAsync(CancellationToken cancellationToken)
   at System.Net.Http.HttpConnectionPool.SendWithVersionDetectionAndRetryAsync(HttpRequestMessage request, Boolean async, Boolean doRequestAuth, CancellationToken cancellationToken)
   at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
   at System.Net.Http.HttpClient.<SendAsync>g__Core|83_0(HttpRequestMessage request, HttpCompletionOption completionOption, CancellationTokenSource cts, Boolean disposeCts, CancellationTokenSource pendingRequestsCts, CancellationToken originalCancellationToken)
   at Xamarin.ProjectTools.DownloadedCache.GetAsFile(String url, String filename) in /Users/builder/azdo/_work/4/s/android/src/Xamarin.Android.Build.Tasks/Tests/Xamarin.ProjectTools/Common/DownloadedCache.cs:line 38
   at Xamarin.ProjectTools.BuildItem.<>c__DisplayClass70_0.<set_WebContent>b__0() in /Users/builder/azdo/_work/4/s/android/src/Xamarin.Android.Build.Tasks/Tests/Xamarin.ProjectTools/Common/BuildItem.cs:line 309
   at Xamarin.ProjectTools.XamarinProject.<>c.<Save>b__110_0(BuildItem s) in /Users/builder/azdo/_work/4/s/android/src/Xamarin.Android.Build.Tasks/Tests/Xamarin.ProjectTools/Common/XamarinProject.cs:line 455
   at System.Collections.Generic.List`1.AddRange(IEnumerable`1 collection)
   at Xamarin.ProjectTools.XamarinProject.Save(Boolean saveProject) in /Users/builder/azdo/_work/4/s/android/src/Xamarin.Android.Build.Tasks/Tests/Xamarin.ProjectTools/Common/XamarinProject.cs:line 455
   at Xamarin.ProjectTools.ProjectBuilder.Build(XamarinProject project, Boolean doNotCleanupOnUpdate, String[] parameters, Boolean saveProject, Dictionary`2 environmentVariables) in /Users/builder/azdo/_work/4/s/android/src/Xamarin.Android.Build.Tasks/Tests/Xamarin.ProjectTools/Common/ProjectBuilder.cs:line 128
   at Xamarin.Android.Build.Tests.BuildTest.AarContentExtraction(AndroidRuntime runtime) in /Users/builder/azdo/_work/4/s/android/src/Xamarin.Android.Build.Tasks/Tests/Xamarin.Android.Build.Tests/BuildTest.cs:line 554
   at System.RuntimeMethodHandle.InvokeMethod(Object target, Void** arguments, Signature sig, Boolean isConstructor)
   at System.Reflection.MethodBaseInvoker.InvokeDirectByRefWithFewArgs(Object obj, Span`1 copyOfArgs, BindingFlags invokeAttr)
--SocketException
   at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.ThrowException(SocketError error, CancellationToken cancellationToken)
   at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.System.Threading.Tasks.Sources.IValueTaskSource.GetResult(Int16 token)
   at System.Net.Sockets.Socket.<ConnectAsync>g__WaitForConnectWithCancellation|285_0(AwaitableSocketAsyncEventArgs saea, ValueTask connectTask, CancellationToken cancellationToken)
   at System.Net.Http.HttpConnectionPool.ConnectToTcpHostAsync(String host, Int32 port, HttpRequestMessage initialRequest, Boolean async, CancellationToken cancellationToken)