fix data for sprint, cause we like data too!

by chaning the telephony overlay to "product"
 it gives correct network modes for sprint, allowing
 handoffs to work properly and less data drops overall.
 give cred to Nicklovell23 for taking this from jf and applying to hlte.

Change-Id: Idb6a8360b5183b8d50ce944cfc721909ac139aab