Enable GRU infer model running CAPI (#28313)

* enable infer model running CAPI

* output size should bigger than 0

paddle/fluid/inference/tests/api/analyzer_lexical_analysis_gru_tester.cc

@@ -190,7 +190,7 @@ std::vector<double> Lexical_Test(
     // return acc_res;
   } else {
     EXPECT_GT(outputs->size(), 0UL);
-    EXPECT_EQ(outputs[0].size(), 1UL);
+    EXPECT_GT(outputs[0].size(), 0UL);
     LOG(INFO) << "No accuracy result. To get accuracy result provide a model "
                  "with accuracy layers in it and use --with_accuracy_layer "
                  "option.";