title: Xamarin.Android.Support.Percent and Xamarin.Forms possible conflict
body: <p>I want to try PercentRelativeLayout then i do</p>
  
  <p>New Project -> Android -> Blanck App (Android)</p>
  
  <p>Install-Package Xamarin.Android.Support.Percent -Version 25.1.1</p>
  
  <p>Install-Package Xamarin.Forms</p>
  
  <p>double click in Main.axml
  Clean
  Build </p>
  
  <p>And i get this Error: java.lang.IllegalArgumentException: already added :  Landroid/support/v4/accessibilityservice/AccessibilityServiceInfoCompat;</p>
  
  <p>Any tip to solve this ? tks in advance.</p>