config/permissions/privapp-permissions-bliss-system.xml

<?xml version="1.0" encoding="utf-8"?>

<permissions>
    <privapp-permissions package="com.blissroms.updater">
        <permission name="android.permission.ACCESS_CACHE_FILESYSTEM"/>
        <permission name="android.permission.CHANGE_OVERLAY_PACKAGES"/>
        <permission name="android.permission.REBOOT"/>
        <permission name="android.permission.RECOVERY"/>
    </privapp-permissions>

    <privapp-permissions package="org.omnirom.omnistyle">
        <permission name="android.permission.CHANGE_OVERLAY_PACKAGES"/>
    </privapp-permissions>

    <privapp-permissions package="com.custom.ambient.display">
        <permission name="android.permission.INTERACT_ACROSS_USERS"/>
    </privapp-permissions>

    <privapp-permissions package="com.android.customization">
        <permission name="android.permission.WRITE_SECURE_SETTINGS"/>
        <permission name="android.permission.SET_WALLPAPER_COMPONENT"/>
        <permission name="android.permission.CHANGE_OVERLAY_PACKAGES"/>
    </privapp-permissions>

</permissions>