title: How to detect an CTS approved Android build?
body: <p>In the documentation of Android N preview is mentioned:</p>
  
  <blockquote>
    <p>This early build is not Compatibility Test Suite (CTS) approved. Apps that depend on CTS approved builds won’t work (Android Pay for example). </p>
  </blockquote>
  
  <p>In my Android app I want to check whether the device/build is CTS approved on the first launch. Is this possible? How does Android Pay do it?</p>