[Bug] grpc adapter-Tracer.trace() can't success

[CodingSinger]

Issue Description

Here is code url:
code
the interceptor's(Server or Client) interceptCall method and the Listener method may run on different Thread, So,Tracer.trace(throwable) may not success if current Thread don't have the Context. I think here is should use AsyncEntry and call

ContextUtil.runOnContext(finalEntry.getAsyncContext(), new Runnable() {
                                            @Override
                                            public void run() {
                                                Tracer.trace(new Exception());
                                            }
                                        });

Describe what happened (or what feature you want)

[CodingSinger]

and i think shouldn't call method entry.exit() at the end of interceptCall?

[sczyh30]

Hi, thanks for reporting. This is the legacy code before Sentinel asynchronous entry support was introduced. So now we can refactor this to work correctly. Would you like to contribute a PR? :)

[CodingSinger]

@sczyh30 ok,i'm pleased to do it. I'll give it a try