[TIMOB-10212] Add readonly duration property to iOS AudioPlayer
Return duration as integer in milliseconds for parity with progress (and Android). Fix deprecated iOS 3.2 checks.
[TIMOB-16439] Fixed debugging support in Genymotion.
Merge pull request #5565 from cb1kenobi/timob-16439

[TIMOB-16439] Fixed debugging support in Genymotion.
Merge pull request #4427 from samcleaver/TIMOB10212

[TIMOB-10212] Add readonly duration property to iOS AudioPlayer