title: READ_PHONE_NUMBERS not working below android O
body: <p>I am requesting this permission READ_PHONE_NUMBERS . On and above 26 is working fine but below 26 the permission dialog to show allow and deny is not popping up. Coded as below .</p>
  
  <pre><code> ActivityCompat.requestPermissions(mActivity, new String[]{android.permission.READ_PHONE_NUMBERS}, RC_PN);
  </code></pre>
  
  <p>How can i make it work below android 26(Oreo). ?
  Thanks in advance.</p>