Cannot Change Post Release
AssetBundle copy to streamingasset folder
Content marked as Cannot shiped with then app (or download sonn after install)
Addressable Asset Sytem, 也支持如果marked as Cannot 被修改，或者他的依赖被修改，Cannot Asset 会被从Cannot group中移除，然后重新放入一个新group，content_update_group, 然后放到服务器
Can ChangePost Release
DynamicContent that you except to update
Content marked as Can , resides online
