Update based on feedback

Author: dellis1972

src/Xamarin.Android.Build.Tasks/Utilities/ManifestDocumentElement.cs

@@ -371,7 +371,7 @@ static string ToString (ForegroundService value)
 			// This attribute allows multiple values
 			var values = new List<string> ();
 
-			/*if (value.HasFlag (ForegroundService.TypeConnectedDevice))
+			if (value.HasFlag (ForegroundService.TypeConnectedDevice))
 				values.Add ("connectedDevice");
 			if (value.HasFlag (ForegroundService.TypeDataSync))
 				values.Add ("dataSync");
@@ -396,19 +396,13 @@ static string ToString (ForegroundService value)
 			if (value.HasFlag (ForegroundService.TypeShortService))
 				values.Add ("shortService");
 			if (value.HasFlag (ForegroundService.TypeSpecialUse))
-				values.Add ("specialUse");*/
-
-			foreach (ForegroundService fs in Enum.GetValues (typeof (ForegroundService))) {
-				if (fs == ForegroundService.TypeManifest)
-					continue;
-				if (fs == ForegroundService.TypeNone)
-					continue;
-				if ((value & fs) != 0) {
-					var name = fs.ToString ().Replace ("Type", string.Empty);
-					var firstChar = char.ToLower (name [0]);
-					values.Add ($"{firstChar}{name.Substring (1)}");
-				}
-			}
+				values.Add ("specialUse");
+
+			// When including a non-stable value you can cast the integer value
+			// to ForegroundService. We need to do this because the Build.Tasks
+			// only build against the latest STABLE api.
+			//if (value.HasFlag (ForegroundService()128))
+			//	values.Add ("newValue");
 
 			return string.Join ("|", values.ToArray ());
 		}