title: what is device verity state
body: <p><code>device verity state is: ENABLED</code></p>
  
  <p>I got above line in boot log. May I know, what it will do exactly?
  I have read in android source link, but did not understand.  </p>
  
  <p>Can you please help me.</p>
  
  <p>Thanks in advance.</p>