merger.xml
<?xml version="1.0" encoding="utf-8"?>
<merger version="3"><dataSet config="main"><source path="/Users/jacklee/AndroidStudioProjects/MAPS_ble/app/src/main/assets"/></dataSet><dataSet config="debug"><source path="/Users/jacklee/AndroidStudioProjects/MAPS_ble/app/src/debug/assets"/></dataSet></merger>