title: How to get the last modification date for Contacts list (Add/Delete/Modify)
body: <p>How can i know the last date the Contacts table was modiefied at? i have tried <code>ContactsContract.RawContacts.VERSION</code> and <code>CONTACT_STATUS_TIMESTAMP</code> but it seems that these are used to know the modified date for a single contact, and it is not working well with me. how can i get the last modified date for any contact in the contacts List</p>