title: How to make an application default phone or Assistant handler on the device by giving user an option to make it default app
body: <p>We have received a policy notice from playStore as:</p>
  
  <p>Your app manifest requests the Call Log permission group (e.g. READ_CALL_LOG, WRITE_CALL_LOG, PROCESS_OUTGOING_CALLS)<br>
  <strong>It must be actively registered as the default Phone or Assistant handler on the device.</strong></p>
  
  <p>I am not able to understand what <strong>Assistant handler on the device</strong>.
  Any inputs or suggestions are most welcome.</p>
  
  <p>what are the minimum requirements by the android application to fullfil the requirement.</p>