Android camera: CameraDeviceClient class
实现camera API2的ICameraDeviceUser.aidl接口
从CameraDeviceUser调到Camera3Device
有太多管理stream的class:
xxxInterface是纯虚函数定义类java interface, xxx定义的是一个实现
Camera3Stream ---> Camera3StreamInterface
Camera3IOStreamBase
Camera3OuputStream ---> Camera3OutputStreamInterface