[rdkb][common][app][Refactor wifi test tool security and bssid for multiple vap]

[Description]
Refactor wifi test tool security and bssid.
1. We call createVap to call setApSecurity ,so we don't need to call it in test tool.
2. Modify bssid for multi-vap.

[Release-log]
N/A

Change-Id: I2d7a2a2fb0a83b8e640d9169b4a35972dbf2c004
1 file changed