操作	旧版本	新版本	d.ts文件
自定义类型变更	类名：avSession； API声明：type AVControlCommandType = 'play' | 'pause' | 'stop' | 'playNext' | 'playPrevious' | 'fastForward' | 'rewind' | 'seek' | 'setSpeed' | 'setLoopMode' | 'toggleFavorite' | 'playFromAssetId' | 'answer' | 'hangUp' | 'toggleCallMute'; 差异内容：'play' | 'pause' | 'stop' | 'playNext' | 'playPrevious' | 'fastForward' | 'rewind' | 'seek' | 'setSpeed' | 'setLoopMode' | 'toggleFavorite' | 'playFromAssetId' | 'answer' | 'hangUp' | 'toggleCallMute'	类名：avSession； API声明：type AVControlCommandType = 'play' | 'pause' | 'stop' | 'playNext' | 'playPrevious' | 'fastForward' | 'rewind' | 'seek' | 'setSpeed' | 'setLoopMode' | 'toggleFavorite' | 'playFromAssetId' | 'answer' | 'hangUp' | 'toggleCallMute' | 'setTargetLoopMode'; 差异内容：'play' | 'pause' | 'stop' | 'playNext' | 'playPrevious' | 'fastForward' | 'rewind' | 'seek' | 'setSpeed' | 'setLoopMode' | 'toggleFavorite' | 'playFromAssetId' | 'answer' | 'hangUp' | 'toggleCallMute' | 'setTargetLoopMode'	api/@ohos.multimedia.avsession.d.ts
新增API	NA	类名：AVSession； API声明：on(type: 'setTargetLoopMode', callback: Callback<LoopMode>): void; 差异内容：on(type: 'setTargetLoopMode', callback: Callback<LoopMode>): void;	api/@ohos.multimedia.avsession.d.ts
新增API	NA	类名：AVSession； API声明：off(type: 'setTargetLoopMode', callback?: Callback<LoopMode>): void; 差异内容：off(type: 'setTargetLoopMode', callback?: Callback<LoopMode>): void;	api/@ohos.multimedia.avsession.d.ts
新增API	NA	类名：AVMetadata； API声明：readonly bundleIcon?: image.PixelMap; 差异内容：readonly bundleIcon?: image.PixelMap;	api/@ohos.multimedia.avsession.d.ts
新增API	NA	类名：AVMetadata； API声明：singleLyricText?: string; 差异内容：singleLyricText?: string;	api/@ohos.multimedia.avsession.d.ts
新增API	NA	类名：avSession； API声明：type ExtraInfo = { [key: string]: Object; }; 差异内容：type ExtraInfo = { [key: string]: Object; };	api/@ohos.multimedia.avsession.d.ts
新增API	NA	类名：AVSessionController； API声明：getExtrasWithEvent(extraEvent: string): Promise<ExtraInfo>; 差异内容：getExtrasWithEvent(extraEvent: string): Promise<ExtraInfo>;	api/@ohos.multimedia.avsession.d.ts