title: android find correct phone number
body: <p>Given a phone number as string, how do I find the correct value of it as stored in contacts?  </p>
  
  <p>Example:<br>
  Given Phone number: 9743343954<br>
  Phone number in contacts: +919743343954  </p>
  
  <p>Edit: The length of the numbers isn't fixed.  </p>
  
  <p>Thanks.</p>