android wifi 获取扫描结果

1.1 framework部分：

1.2 supplicant部分：

hdd_cfg80211_scan_done_callback

-> wlan_hdd_cfg80211_update_bss

-> wlan_hdd_cfg80211_inform_bss_frame

/cfg80211_put_bss  //将struct cfg80211_bss传给kernel

-> struct wpa_scan_res

-> dump_san_res