title: Phonegap/ Cordova Iframe not loading after taking release build
body: <p>The Iframe is loading when i take build in debugging mode, but is not working when comes in production build, i mean taking build after giving key .</p>
  
  <p>So far i have done :</p>
  
  <ul>
  <li>Added cordova whitelist plugin</li>
  <li>Given <code>&lt;allow-intent href="*" /&gt;</code> , <code>&lt;allow-navigation href="*" /&gt;</code> , <code>&lt;access origin="*" /&gt;</code> in config.xml file</li>
  <li>Added 
  <code>&lt;meta http-equiv="Content-Security-Policy" content=" child-src *;img-src * data:; media-src * ;"&gt;</code> also tried with frame-src *; </li>
  <li>Tried cordova clean android command also</li>
  </ul>
  
  <p>The site iam trying to load uses websocket and has ssl wildcard.</p>
  
  <p>Something blocking iframe . Please help me</p>