Use Fully Qualified Namespaces for 'Android.Content.Intent' (#1697)

Author: davidbritch

docs/essentials/web-authenticator.md

@@ -46,8 +46,8 @@ Android requires an Intent Filter setup to handle your callback URI. This is eas
 const string CALLBACK_SCHEME = "myapp";
 
 [Activity(NoHistory = true, LaunchMode = LaunchMode.SingleTop)]
-[IntentFilter(new[] { Intent.ActionView },
-    Categories = new[] { Intent.CategoryDefault, Intent.CategoryBrowsable },
+[IntentFilter(new[] { Android.Content.Intent.ActionView },
+    Categories = new[] { Android.Content.Intent.CategoryDefault, Android.Content.Intent.CategoryBrowsable },
     DataScheme = CALLBACK_SCHEME)]
 public class WebAuthenticationCallbackActivity : Xamarin.Essentials.WebAuthenticatorCallbackActivity
 {