Use AP bssid for GetPacketCounters()

we should use AP bssid instead of local interface mac address
for NL80211_CMD_GET_STATION. Local interface mac address only
works for some devices.

Bug: 66218880
Test: compile, unit tests
Test: run the following CTS test:
cts-tradefed run cts -m CtsNetTestCases -t
    android.net.wifi.cts.WifiManagerTest#testWifiWatchdog

Change-Id: I8852ab5085d186ee3f1e5b81abbf4c1d2500b9fa
1 file changed