hostapd: fix hostapd vts fail
If wpa_supplicant is running during hostapd vts and there are some
configuration in wpa_supplicant. It will happen both of hostapd and
wpa_supplicant are working with wlan0 interface.
Stop wpa_supplicant before running hostapd vts.
Reproduce step:
1. Connect to Wifi before execute hostapd vts.
2. Run hostapd vts.
Bug: 130207248
Test: vts with below commands
vts-tradefed run commandAndExit vts-hal --skip-all-system-status-check --primary-abi-only --skip-preconditions --module VtsHalWifiHostapdV1_0Target -l INFO
vts-tradefed run commandAndExit vts-hal --skip-all-system-status-check --primary-abi-only --skip-preconditions --module VtsHalWifiHostapdV1_1Target -l INFO
Change-Id: Id91463c2eab3c8c348a91bd978d7ea4aa8d42e85
4 files changed