1. Build the app
make RangingTestApp
2. Load the app
adb install -r -g ${ANDROID_PRODUCT_OUT}/system/app/RangingTestApp.apk
3. Launch APK and Run tests

Note:
1. If you want to use channel sounding, pair devices from settings.
2. One device works as 'Initiator', Another device works as 'Responder'.