Add an xsd file for Short Audio Descriptor xml config file.

<?xml version="1.0"?>

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         Licensed under the Apache License, Version 2.0 (the "License");

         you may not use this file except in compliance with the License.

         You may obtain a copy of the License at

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         distributed under the License is distributed on an "AS IS" BASIS,

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<xs:schema version="1.0"

           xmlns:xs="http://www.w3.org/2001/XMLSchema">

    <xs:include schemaLocation="../../../../audio/4.0/config/audio_policy_configuration.xsd"/>

    <xs:complexType name="config">

        <xs:annotation>

            <xs:documentation xml:lang="en">

                List the config versions supported by Short Audio Descriptor(SAD) config.

            </xs:documentation>

        </xs:annotation>

        <xs:sequence>

            <xs:element name="device" type="device" minOccurs="0" maxOccurs="unbounded"/>

        </xs:sequence>

        <xs:attribute name="version" type="version"/>

    </xs:complexType>

    <xs:complexType name="device">

        <xs:annotation>

            <xs:documentation xml:lang="en">

                Device section:

                There is a list of configurations in this SAD config for all the input audio

                devices that the current Android device supports.

                Each device has the following attributes:

                    "type": type of the audio device.

                And the following element

                    <supportedFormat/>: the supported format info of the device. There can be

                                        multiple formats supported by one audio device.

            </xs:documentation>

        </xs:annotation>

        <xs:sequence>

            <xs:element name="supportedFormat" type="supportedFormat" minOccurs="0" maxOccurs="unbounded"/>

        </xs:sequence>

        <xs:attribute name="type" type="extendableAudioDevice" use="required"/>

    </xs:complexType>

    <xs:complexType name="supportedFormat">

        <xs:annotation>

            <xs:documentation xml:lang="en">

                SupportedFormat section:

                The details of the short audio descriptor of a specific audio format

                supported by the audio device. Attributes as follows:

                    "format": format enum of the current supported format.

                    "descriptor": three-byte short audio descriptor for the given format in hex.

            </xs:documentation>

        </xs:annotation>

        <xs:attribute name="format" type="hdmiAudioFormat" use="required"/>

        <xs:attribute name="descriptor" type="descriptor" use="required"/>

    </xs:complexType>

    <xs:simpleType name="descriptor">

        <xs:restriction base="xs:string">

            <xs:pattern value="[a-fA-F0-9]{6}"/>

        </xs:restriction>

    </xs:simpleType>

    <xs:simpleType name="hdmiAudioFormat">

        <xs:restriction base="xs:string">

            <xs:enumeration value="AUDIO_FORMAT_NONE"/>

            <xs:enumeration value="AUDIO_FORMAT_LPCM"/>

            <xs:enumeration value="AUDIO_FORMAT_DD"/>

            <xs:enumeration value="AUDIO_FORMAT_MPEG1"/>

            <xs:enumeration value="AUDIO_FORMAT_MP3"/>

            <xs:enumeration value="AUDIO_FORMAT_MPEG2"/>

            <xs:enumeration value="AUDIO_FORMAT_AAC"/>

            <xs:enumeration value="AUDIO_FORMAT_DTS"/>

            <xs:enumeration value="AUDIO_FORMAT_ATRAC"/>

            <xs:enumeration value="AUDIO_FORMAT_ONEBITAUDIO"/>

            <xs:enumeration value="AUDIO_FORMAT_DDP"/>

            <xs:enumeration value="AUDIO_FORMAT_DTSHD"/>

            <xs:enumeration value="AUDIO_FORMAT_TRUEHD"/>

            <xs:enumeration value="AUDIO_FORMAT_DST"/>

            <xs:enumeration value="AUDIO_FORMAT_WMAPRO"/>

        </xs:restriction>

    </xs:simpleType>

    <xs:element name="config" type="config"/>

</xs:schema>