message: Add explicit documentation for each of the API functions in
  c_api_experimental.h that they are experimental APIs and subject
  to change.
diff: @@ -24,6 +24,8 @@ extern "C" {
  #endif // __cplusplus
  /// Resets all variable tensors to zero.
  +///
  +/// WARNING: This is an experimental API and subject to change.
  TFL_CAPI_EXPORT extern TfLiteStatus TfLiteInterpreterResetVariableTensors(
  TfLiteInterpreter* interpreter);
  @@ -39,6 +41,8 @@ TFL_CAPI_EXPORT extern TfLiteStatus TfLiteInterpreterResetVariableTensors(
  ///
  /// Code that uses this function should NOT call
  /// `TfLiteInterpreterOptionsSetOpResolver' on the same options object.
  +///
  +/// WARNING: This is an experimental API and subject to change.
  TFL_CAPI_EXPORT void TfLiteInterpreterOptionsAddBuiltinOp(
  TfLiteInterpreterOptions* options, TfLiteBuiltinOperator op,
  const TfLiteRegistration* registration, int32_t min_version,
  @@ -56,6 +60,8 @@ TFL_CAPI_EXPORT void TfLiteInterpreterOptionsAddBuiltinOp(
  ///
  /// Code that uses this function should NOT call
  /// `TfLiteInterpreterOptionsSetOpResolver' on the same options object.
  +///
  +/// WARNING: This is an experimental API and subject to change.
  TFL_CAPI_EXPORT void TfLiteInterpreterOptionsAddCustomOp(
  TfLiteInterpreterOptions* options, const char* name,
  const TfLiteRegistration* registration, int32_t min_version,
  @@ -72,6 +78,8 @@ TFL_CAPI_EXPORT void TfLiteInterpreterOptionsAddCustomOp(
  /// Code that uses this function should NOT call
  /// `TfLiteInterpreterOptionsAddBuiltin' or
  /// `TfLiteInterpreterOptionsAddCustomOp' on the same options object.
  +///
  +/// WARNING: This is an experimental API and subject to change.
  void TfLiteInterpreterOptionsSetOpResolver(
  TfLiteInterpreterOptions* options,
  const TfLiteRegistration* (*find_builtin_op)(void* user_data,
  @@ -99,11 +107,15 @@ void TfLiteInterpreterOptionsSetOpResolver(
  ///
  /// NOTE: The client *must* explicitly allocate tensors before attempting to
  /// access input tensor data or invoke the interpreter.
  +///
  +/// WARNING: This is an experimental API and subject to change.
  TFL_CAPI_EXPORT extern TfLiteInterpreter*
  TfLiteInterpreterCreateWithSelectedOps(const TfLiteModel* model,
  const TfLiteInterpreterOptions* options);
  /// Enable or disable the NN API for the interpreter (true to enable).
  +///
  +/// WARNING: This is an experimental API and subject to change.
  TFL_CAPI_EXPORT extern void TfLiteInterpreterOptionsSetUseNNAPI(
  TfLiteInterpreterOptions* options, bool enable);
  