Let's see if designer tests pass now

Author: grendello

src/Xamarin.Android.Build.Tasks/Tasks/GeneratePackageManagerJava.cs

@@ -61,12 +61,11 @@ public class GeneratePackageManagerJava : AndroidTask
 		[Required]
 		public bool EnablePreloadAssembliesDefault { get; set; }
 
-		// This property should be required but it can't, because during design time builds there's no
-		// value to pass and MSBuild signals an error that a required property wasn't given a value.
+		// These two properties should be required but they will require modifying `monodroid` first
 		//[Required]
 		public string AndroidBinUtilsDirectory { get; set; }
 
-		[Required]
+		//[Required]
 		public bool AssemblyStoreEmbeddedInRuntime { get; set; }
 
 		[Output]