ximenzaoshi

Support gRPC context propagation in grpcproxy

7

…e problem that watch exits when recvLoop exits but sendLoop still running Please read https://github.com/etcd-io/etcd/blob/main/CONTRIBUTING.md#contribution-flow. Trying to fix https://github.com/etcd-io/etcd/issues/18011.

Grpc-proxy cannot handle requests from grpc-gateway correctly

18

### Bug report criteria - [X] This bug report is not security related, security issues should be disclosed privately via [etcd maintainers](mailto:[email protected]). - [X] This is not a support request...