Modified VoicemailContentProvider to set Calls.NEW

Calls.NEW is now an internal field for the voicemail interface and so
the content provider must set it to '1' for new voicemail insertions.
Contacts app now depends on this field to show notifications.

Bug: 5055868

Change-Id: Ic76501fa3a4361f1fce278247295d0bbe2f1f4c8
1 file changed