Changing from ro.product.device to ro.product.name for bugreport file name

ro.product.device returned dragon for ryu, when the original intent
would have been to have ryu.  ro.product.name does this.

Bug: 33257711
Test: Compiled and flashed to a device, and took a bugreport
Change-Id: Ib2a11e084f9c1c550c28e0c89adc92a14652ee37