[UIKit] Fix properties in UIConfigurationColorTransformer Type (#16732)

Changing properties to be internal
Fixes #16665

Co-authored-by: GitHub Actions Autoformatter <github-actions-autoformatter@xamarin.com>
Co-authored-by: Rolf Bjarne Kvinge <rolf@xamarin.com>

src/uikit.cs

@@ -23956,9 +23956,19 @@ namespace UIKit {
 		[Field ("UIConfigurationColorTransformerGrayscale")]
 		IntPtr _Grayscale { get; }
 
+#if XAMCORE_5_0
+		[Internal]
+#else
+		[Obsolete ("Use the 'PreferredTint' property instead.")]
+#endif
 		[Field ("UIConfigurationColorTransformerPreferredTint")]
 		IntPtr _PreferredTint { get; }
 
+#if XAMCORE_5_0
+		[Internal]
+#else
+		[Obsolete ("Use the 'MonochromeTint' property instead.")]
+#endif
 		[Field ("UIConfigurationColorTransformerMonochromeTint")]
 		IntPtr _MonochromeTint { get; }
 	}