title: error CS0234: The type or namespace name `iOS' does not exist in the namespace `UnityEditor'. Are you missing an assembly reference?
body: <p>I have installed the latest versions of Unity (2017.3.1), Daydream SDKs (GVR SDK for Unity v1.130.0) and followed the steps here: <a href="https://developers.google.com/vr/develop/unity/get-started#configure_build_settings_and_player_settings" rel="noreferrer">https://developers.google.com/vr/develop/unity/get-started#configure_build_settings_and_player_settings</a></p>
  
  <p>However when I press Play I get the following error, ideas on what is the reason &amp; how to fix it?</p>
  
  <blockquote>
    <p>Assets/GoogleVR/Editor/GvrBuildProcessor.cs(20,19): error CS0234: The type or namespace name 'iOS' does not exist in the namespace 'UnityEditor'. Are you missing an assembly reference?</p>
  </blockquote>
  
  <p>Edit: Issue fixed after a few hours of submission on GitHub with the release of GVR SDK for Unity v1.130.1</p>