Don't resize until create has been called as there may be no OpenGL c…

…ontext, and it breaks the lifecycle.

Fixes #3864

backends/gdx-backend-robovm/src/com/badlogic/gdx/backends/iosrobovm/IOSGraphics.java

@@ -114,7 +114,9 @@ public void viewDidLayoutSubviews () {
 			graphics.width = (int)bounds.getWidth();
 			graphics.height = (int)bounds.getHeight();
 			graphics.makeCurrent();
-			app.listener.resize(graphics.width, graphics.height);
+			if (graphics.created) {
+				app.listener.resize(graphics.width, graphics.height);
+			}
 		}
 
 		@Callback