HarmonyOS support for VAD. (#1561)

sherpa-onnx/csrc/onnx-utils.h

@@ -22,6 +22,10 @@
 #include "android/asset_manager_jni.h"
 #endif
 
+#if __OHOS__
+#include "rawfile/raw_file_manager.h"
+#endif
+
 #include "onnxruntime_cxx_api.h"  // NOLINT
 
 namespace sherpa_onnx {
@@ -103,6 +107,11 @@ std::vector<char> ReadFile(const std::string &filename);
 std::vector<char> ReadFile(AAssetManager *mgr, const std::string &filename);
 #endif
 
+#if __OHOS__
+std::vector<char> ReadFile(NativeResourceManager *mgr,
+                           const std::string &filename);
+#endif
+
 // TODO(fangjun): Document it
 Ort::Value Repeat(OrtAllocator *allocator, Ort::Value *cur_encoder_out,
                   const std::vector<int32_t> &hyps_num_split);