1,Fix sniffer bug caused by mode switch
2,Reduce WiFi bin size
3,Add TX packets size check
4,Fix scan get rssi error
5,Add wifi stop check at WiFi deinit entry
6,Return fail when setting AP's channel is out of range
7,Fix the bug for setting channel when WiFi in NULL mode
1. Fix high beacon and broadcast packets loss ratio of WiFi to make
MDNS test pass.
2. Improve stability of WiFi performance with a little
sacrifice of throughput.
3. Improve BLE advertising and connection performance with dynamic
priority. It sacrifices a little WiFi throughput, but achieves balance
between WiFi and Bluetooth.
