message: fix APTDisplayText covert bug
diff: @@ -287,20 +287,22 @@ void PerformAudioPassThruRequest::SendPerformAudioPassThruRequest() {
  msg_params[hmi_request::audio_pass_display_texts] =
  smart_objects::SmartObject(smart_objects::SmartType_Array);
  + int32_t index = 0;
  if ((*message_)[str::msg_params].keyExists(str::audio_pass_display_text1)) {
  - msg_params[hmi_request::audio_pass_display_texts][0]
  + msg_params[hmi_request::audio_pass_display_texts][index]
  [hmi_request::field_name] = static_cast<int32_t>(
  hmi_apis::Common_TextFieldName::audioPassThruDisplayText1);
  - msg_params[hmi_request::audio_pass_display_texts][0]
  + msg_params[hmi_request::audio_pass_display_texts][index]
  [hmi_request::field_text] =
  (*message_)[str::msg_params][str::audio_pass_display_text1];
  + ++index;
  }
  if ((*message_)[str::msg_params].keyExists(str::audio_pass_display_text2)) {
  - msg_params[hmi_request::audio_pass_display_texts][1]
  + msg_params[hmi_request::audio_pass_display_texts][index]
  [hmi_request::field_name] = static_cast<int32_t>(
  hmi_apis::Common_TextFieldName::audioPassThruDisplayText2);
  - msg_params[hmi_request::audio_pass_display_texts][1]
  + msg_params[hmi_request::audio_pass_display_texts][index]
  [hmi_request::field_text] =
  (*message_)[str::msg_params][str::audio_pass_display_text2];
  }
  