IsVirlual returns 'true' in real device

# Bug Report

## Problem
IsVirlual returns 'true' in a real device
* Phone: Huawei P20 Pro
* model: CLT-L29

### What is expected to happen?
expected to return false

### What does actually happens?
it returns true

## Information
* phone: Huawei P20 Pro
* model: CLT-L29
* Ionic 3
* plugin version: 2.0.3

### Command or Code
device.isVirtual

### Environment, Platform, Device

* Phone: Huawei P20 Pro
* model: CLT-L29
* Platform: Android

### Version information

* Ionic 3
* plugin version: 2.0.3
* Android Version: 8.1

## Checklist

- [x] I searched for existing GitHub issues
- [ ] I updated all Cordova tooling to the most recent version
- [ ] I included all the necessary information above