In supplicant VTS test setup, make sure that the
wifi hal is stopped before starting wifi.

Bug: 234853504
Test: atest VtsHalWifiSupplicantV1_0TargetTest # HIDL service
Change-Id: I413c3803a6607a72cc3aa8a5fa208551be1b1032
(cherry picked from commit bfe60cda4d9400f4f370b46e26cac97db3207917)
3 files changed