wifi: Add hidl support  client connected callback

Add client connected callback support on hostapd HIDL interface

Bug: 163288112
Test: Manuel Test. Hotspot works normally.
Test: atest VtsHalWifiHostapdV1_0TargetTest
Test: atest VtsHalWifiHostapdV1_1TargetTest
Test: atest VtsHalWifiHostapdV1_2TargetTest
Change-Id: If8f7bb8c6f5bddf7292030daf23a685a102d726b
1 file changed