Properly set up deadline for generic requests

src/cpp/server/server_cc.cc

@@ -818,6 +818,7 @@ bool Server::CallbackRequest<
     grpc::GenericCallbackServerContext>::FinalizeResult(void** /*tag*/,
                                                         bool* status) {
   if (*status) {
+    deadline_ = call_details_->deadline;
     // TODO(yangg) remove the copy here
     ctx_.method_ = grpc::StringFromCopiedSlice(call_details_->method);
     ctx_.host_ = grpc::StringFromCopiedSlice(call_details_->host);

test/cpp/end2end/hybrid_end2end_test.cc

@@ -821,6 +821,8 @@ TEST_P(HybridEnd2endTest, CallbackGenericEcho) {
     ServerGenericBidiReactor* CreateReactor(
         GenericCallbackServerContext* context) override {
       EXPECT_EQ(context->method(), "/grpc.testing.EchoTestService/Echo");
+      gpr_log(GPR_DEBUG, "Constructor of generic service %d",
+              static_cast<int>(context->deadline().time_since_epoch().count()));
 
       class Reactor : public ServerGenericBidiReactor {
        public: