[xcode11] Fix ambiguous calls due to new APIs (#383)

- Fixes xamarin/maccore#1910
- Fixes xamarin/maccore#1877

Author: VincentDondain

ios11/WeatherWidget/WeatherWidget.Shared/Weather.cs

@@ -44,7 +44,7 @@ public static string GetImageAssetName(this Weather self)
         public static UIImage GetImageAsset(this Weather self)
         {
             var assetName = self.GetImageAssetName();
-            var image = UIImage.FromBundle(assetName, null, null);
+            var image = UIImage.FromBundle(assetName);
             if (image == null)
             {
                 throw new Exception($"Expected an image named {assetName}");

ios12/ExceptionalAccessibility/ExceptionalAccessibility/ViewController.cs

@@ -60,8 +60,8 @@ public override void ViewDidLoad()
             this.shelterInfoView.IsAccessibilityElement = true;
             this.shelterInfoView.AccessibilityCustomActions = new UIAccessibilityCustomAction[]
             {
-                new UIAccessibilityCustomAction("Call", this.ActivateCallButton),
-                new UIAccessibilityCustomAction("Open address in Maps", this.ActivateLocationButton)
+                new UIAccessibilityCustomAction("Call", probe: ActivateCallButton),
+                new UIAccessibilityCustomAction("Open address in Maps", probe: ActivateLocationButton)
             };
         }
 

ios8/HelloGoodbye/HelloGoodbye/Screens/MatchesViewController.cs

@@ -122,10 +122,10 @@ CardView AddCardViewToView(UIView containerView)
 			cv.AddGestureRecognizer (swipeDownRecognizer);
 
 			string sayHelloName = "Say hello".LocalizedString (@"Accessibility action to say hello");
-			helloAction = new UIAccessibilityCustomAction (sayHelloName, SayHello);
+			helloAction = new UIAccessibilityCustomAction (sayHelloName, probe: SayHello);
 
 			string sayGoodbyeName = "Say goodbye".LocalizedString ("Accessibility action to say goodbye");
-			goodbyeAction = new UIAccessibilityCustomAction (sayGoodbyeName, SayGoodbye);
+			goodbyeAction = new UIAccessibilityCustomAction (sayGoodbyeName, probe: SayGoodbye);
 
 			UIView[] elements = NSArray.FromArray<UIView> ((NSArray)cv.GetAccessibilityElements ());
 			foreach (UIView element in elements)