taxonomy: FireTV, BOLT, Kindle, Xbox, Bravia, Echo, Roku

+ Add pcaps and signatures for Fire TV, TiVo BOLT, Xbox One,
    Kindle 4th gen, NVidia SHIELD, Sony Bravia, Amazon Echo,
    Roku 3 4230RW.
+ Replace a Kindle signature with the newly captured Echo.
    We gathered the Kindle signature without a pcap to be able
    to confirm it now. We'll get the Kindle device and capture
    a pcap of it to determine what to do.
+ Add OUIs for LG and Samsung.

Change-Id: Iede4c7a6c7fac2a7e08f271d987335fef5b69728
30 files changed