Simplify method management for IAudioService

package android.media;

import android.app.PendingIntent;

import android.bluetooth.BluetoothDevice;

import android.content.ComponentName;

import android.media.AudioAttributes;

import android.media.AudioFocusInfo;

import android.media.AudioPlaybackConfiguration;

import android.media.IRingtonePlayer;

import android.media.IVolumeController;

import android.media.PlayerBase;

import android.media.Rating;

import android.media.VolumePolicy;

import android.media.audiopolicy.AudioPolicyConfig;

import android.media.audiopolicy.IAudioPolicyCallback;

import android.net.Uri;

import android.view.KeyEvent;

/**

 * {@hide}

 */

interface IAudioService {

    // C++ and Java methods below.

    // WARNING: When methods are inserted or deleted, the transaction IDs in

    // WARNING: When methods are inserted or deleted in this section, the transaction IDs in

    // frameworks/native/include/audiomanager/IAudioManager.h must be updated to match the order

    // in this file.

    //

    // When a method's argument list is changed, BpAudioManager's corresponding serialization code

    // (if any) in frameworks/native/services/audiomanager/IAudioManager.cpp must be updated.

    int trackPlayer(in PlayerBase.PlayerIdCard pic);

    oneway void playerAttributes(in int piid, in AudioAttributes attr);

    oneway void playerEvent(in int piid, in int event);

    oneway void releasePlayer(in int piid);

    // Java-only methods below.

    oneway void adjustSuggestedStreamVolume(int direction, int suggestedStreamType, int flags,

            String callingPackage, String caller);

    List<AudioPlaybackConfiguration> getActivePlaybackConfigurations();

    int trackPlayer(in PlayerBase.PlayerIdCard pic);

    oneway void playerAttributes(in int piid, in AudioAttributes attr);

    oneway void playerEvent(in int piid, in int event);

    oneway void releasePlayer(in int piid);

    void disableRingtoneSync(in int userId);

    int getFocusRampTimeMs(in int focusGain, in AudioAttributes attr);

    oneway void setFocusRequestResultFromExtPolicy(in AudioFocusInfo afi, int requestResult,

            in IAudioPolicyCallback pcb);

    // WARNING: read warning at top of file, it is recommended to add new methods at the end

    // WARNING: read warning at top of file, new methods that need to be used by native

    // code via IAudioManager.h need to be added to the top section.

}