Created by: putcn

fix: #9309 (closed) looks grpc's cpp generation is missing the *.pb.h and *.pb.cc part. adding this back in this pr

related build error msg: https://paddleci.ngrok.io/viewLog.html?buildId=31241&tab=buildLog&buildTypeId=Paddle_DistributedUnitTestNightly&logTab=tree&filter=all&_focus=7594

[07:33:06]	/paddle/build/paddle/fluid/operators/detail/send_recv.grpc.pb.cc:5:26: fatal error: send_recv.pb.h: No such file or directory
[07:33:06]	compilation terminated.
[07:33:06]	make[2]: *** [paddle/fluid/operators/detail/CMakeFiles/sendrecvop_grpc_grpc.dir/send_recv.grpc.pb.cc.o] Error 1