wifi: create interface before running hostapd vts

Adding to support creating interface in hostapd vts.

Bug: 230008250
Test: 1. setprop ro.vendor.wifi.sap.interface swlan0
2. vts-tradefed run commandAndExit vts
--skip-all-system-status-check --primary-abi-only
--skip-preconditions --module VtsHalWifiHostapdV1_2Target
-l INFO

Change-Id: I483671cb01b68bc6f5ac4840c61b10f4c31f10e4