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: 9af8f6c1 am: 505230e6 am: 8dc25805

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



Change-Id: I6244176cc73ec58c6e2c97832850458360d36f85
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>