Use the hostapd_test_utils helper methods in am: c6cacf61 am: b2d1a3b4 am:...

Use the hostapd_test_utils helper methods in am: c6cacf61 am: b2d1a3b4 am: 7cba7ad8 am: df4e164b am: bd1e648c

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/24589850



Change-Id: I0b81d41ffe2e776f5abb9a5401d9e8f012f86915
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>