vad streaming return [beg, -1], [], [-1, end], [beg, end] (#1306)

zhifu gao

2024-01-26 65396eeeff96cdc21f939828e13a2e3d0127f2c6

 runtime/onnxruntime/src/fsmn-vad.cpp

@@ -264,6 +264,7 @@
                p.insert(p.end(), vad_feats[vad_feats.size() - 1].begin(), vad_feats[vad_feats.size() - 1].end());
            }
            out_feats.emplace_back(p);
            p.clear();
        }
    }
    // Apply cmvn