Nfc : Switch to notification sound

Use the notification sound, since the service might get unbound
before the sound has had a chance to finish

This fixes the issue where on beam completes, the notification sound
is cancelled before it finishes.

Change-Id: I6c00f43ed17dc7fadf27da58e3f95f540be8d22e
(cherry picked from commit de5ae6cd1a4640f8f8769a0ed4ea5048d3017ac5)