host call plugin

[kzhu-bstar]

能不能帮我看看，我实现2种方式，
一种HostCallbackProvider, plugin setCallback，host 调用Callback的方法，由于跨进程，获取对象不一致，
另一种HostCallbackProvider2, host setCallback，host 通过binder通知plugin 调用callback的方法，但是在host那边的回调在plugin进程下 返回不到主进程

[tencent-adm]

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