android_device_qcom_common/system/telephony/atcmdfwd-saidl.xml

<manifest version="1.0" type="framework">
    <hal format="aidl">
        <name>vendor.qti.hardware.radio.atcmdfwd</name>
        <version>1</version>
        <fqname>IAtCmdFwd/AtCmdFwdAidl</fqname>
    </hal>
</manifest>