Add permissions to AndroidManifest.xml

AndroidManifest.xml

<manifest
    xmlns:android="http://schemas.android.com/apk/res/android"
    package="org.github.ayltai.mopub.adapter.app">

    <!-- Required -->
    <uses-permission android:name="android.permission.INTERNET" />

    <!-- Required by Facebook Audience Network and Flurry Ads -->
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />

    <!-- Required by AppLovin -->
    <!-- Recommended for external memory pre-caching -->
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

    <!-- Optional -->
    <!-- Recommended for location based ad targeting -->
    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
    
    <!-- Other permissions -->
</manifest>