grpc aioserver context the code getting

[ezinall]

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Steps to reproduce
Make grpc aio server interceptor
Try to get status code from context in interceptor

What is the expected behavior?
https://grpc.github.io/grpc/python/grpc.html?highlight=servicercontext#grpc.ServicerContext.code
Get the code by context.code()

What is the actual behavior?
TypeError: 'StatusCode' object is not callable

Additional context
class opentelemetry.instrumentation.grpc._server._OpenTelemetryServicerContext doesn't have code method but have code preperty.
And _OpenTelemetryServicerContext inherits grpc.ServicerContext instead of grpc.aio.ServicerContext

[cookiefission]

I think the behaviour of code was fixed in #1578 .

There is an arity issue with abort for the AIO servicer context which is probably caused by the inheritance mismatch mentioned here. I'll raise a separate issue for that.