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
Merge remote-tracking branch 'upstream/kk4.4' into vaosp