Accept a command line arg (nan_on) in wifi vts

Test: make vts -j30 BUILD_GOOGLE_VTS=true TARGET_PRODUCT=aosp_arm64 &&
vts-tradefed run commandAndExit vts --skip-all-system-status-check
--primary-abi-only --skip-preconditions --module VtsHalWifiV1_0Host -l
INFO

Test: VtsHalWifiV1_0TargetTest
Test: VtsHalWifiV1_0TargetTest -N
Test: VtsHalWifiV1_0TargetTest --nan_on
Test: VtsHalWifiV1_0TargetTest -f (fails)
Test: VtsHalWifiV1_0TargetTest --gtest_filter=foo
Test: VtsHalWifiV1_0TargetTest --gtest_filter=foo -N
Test: VtsHalWifiV1_0TargetTest -N --gtest_filter=foo

Bug: 63131342

Change-Id: I359ac7238496e64c7ace1e14e797d4fcfc8cc0e4