title: Error:The "GenerateJavaStubs" task failed unexpectedly
body: <p>after installing plugin.media library getting this error</p>
  
  <pre><code>Severity    Code    Description Project File    Line    Suppression State Error     The "GenerateJavaStubs" task failed unexpectedly. System.InvalidOperationException: There can be only one type with an [Application] attribute; found: ,at Xamarin.Android.Tasks.ManifestDocument.CreateApplicationElement(XElement manifest, String applicationClass, List`1 subclasses, List`1 selectedWhitelistAssemblies)at Xamarin.Android.Tasks.ManifestDocument.Merge(List`1 subclasses, List`1 selectedWhitelistAssemblies, String applicationClass, Boolean embed, String bundledWearApplicationName, IEnumerable`1 mergedManifestDocuments)at Xamarin.Android.Tasks.GenerateJavaStubs.Run(DirectoryAssemblyResolver res)at Xamarin.Android.Tasks.GenerateJavaStubs.Execute()at Microsoft.Build.BackEnd.TaskExecutionHost.Microsoft.Build.BackEnd.ITaskExecutionHost.Execute()at Microsoft.Build.BackEnd.TaskBuilder.&lt;ExecuteInstantiatedTask&gt;d__26.MoveNext() XamarinForms.QbChat.Android 
  </code></pre>