Merge "media: Do not use forward declaration for AudioPlaybackRate"

#ifndef _ANDROID_MEDIA_MEDIASYNC_H_

#define _ANDROID_MEDIA_MEDIASYNC_H_

#include <media/AudioResamplerPublic.h>

#include <media/stagefright/foundation/ABase.h>

#include <media/stagefright/MediaSync.h>

#include <utils/Errors.h>

namespace android {

struct AudioPlaybackRate;

class AudioTrack;

class IGraphicBufferProducer;

struct MediaClock;