client: Add set-advertise-uuids command

This adds set-advertise-uuids which can be used set UUIDs to be
advertised:

set-advertise-uuids [uuid1 uuid2...]
[bluetooth]# set-advertise-uuids 180D 180F
[bluetooth]# advertise on

@ Advertising Added: 1
< HCI Command: LE Set Advertising Data (0x08|0x0008) plen 32
        Length: 9
        Flags: 0x02
          LE General Discoverable Mode
        16-bit Service UUIDs (complete): 2 entries
          Heart Rate (0x180d)
          Battery Service (0x180f)
2 files changed