Correct network detection API calls deprecated on Android and iOS

[ath0mas]

Bug Report

Problem

What is expected to happen?

Native Android and iOS code should use not-deprecated API calls.

What does actually happen?

Some Android and iOS native methods used are deprecated.

Information

Command or Code

• Android: NetworkInfo class was deprecated in API level 29
• iOS: CTTelephonyNetworkInfo currentRadioAccessTechnology property is deprecated since iOS 12.0

Environment, Platform, Device

Android and iOS

Version information

Current master branch, version 3.0.0-dev.

Checklist

• I searched for existing GitHub issues
• I updated all Cordova tooling to most recent version
• I included all the necessary information above

[Ruud-cb]

so.. 6 months later: What's the alternative?

[timbru31]

A pull request that updates the code :)