VtsHalWifiV1_0Host: Stop wificond/wpa_supplicant

These daemons should not be interacting with the wifi driver while the
tests are running.

Bug: 68118262
Test: `vts-tradefed run commandAndExit vts --skip-all-system-status-check
--primary-abi-only --skip-preconditions --module VtsHalWifiV1_0Host`
10-23 15:43:25 I/ResultReporter: Invocation finished in 5m 29s. PASSED:
48, FAILED: 0, MODULES: 1 of 1

Change-Id: Iac54ac38e26d0513968d11aebd85df1330222fab
(cherry picked from commit 9cadbce33bf4de8cb41ecf1071c54531475f8869)
1 file changed