zero: store PRODUCT_NAME in "permanent"-variable
zero: store PRODUCT_NAME in "permanent"-variable

Change-Id: I6a5535e0b777dc5edd28411324c67459d7f9ecf6

TeamNexus/android_device_samsung_zero-common,TeamNexus/android_device_samsung_zero-common,TeamNexus/android_device_samsung_zero-common,TeamNexus/android_device_samsung_zero-common,TeamNexus/android_device_samsung_zero-common