d2lte: fix usb

Lack of iManufacturer and iProduct strings is causing communication
problems with some USB devices that expect these values. Fix it.
Using vold numbers for mass_storage is dumb, as these can and do change.
Fix it.

Change-Id: If34cbb9b2ed879f8ba5af1a49e133405e86cdd35
Merge "d2lte: fix usb" into kitkat