title: APK Expansion Files. Testing sample
body: <p>I read this <a href="https://stackoverflow.com/questions/11715855/steps-to-create-apk-expansion-file">Steps to create APK expansion file</a>, <br />
  run <code>SampleDownloaderActivity</code> and get: "Download failed because the resources could not be found" <br /><br /></p>
  
  <p>How to create a <code>Test Project</code> (simple project >50MB with big pics) and then upload it on Google Play and testing APK Expansion Files?<br /></p>