Handle phone call interruptions on iOS

[ryanheise]

TODO: Handle phone call interruptions on iOS.

[DenisPushkarev]

#313

[ryanheise]

Thanks! I've now merged your PR.

If anyone wants to test this before the next release, you can use the following in your pubspec:

  audio_service:
    git:
      url: https://github.com/ryanheise/audio_service.git

[github-actions]

This issue has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs, or use StackOverflow if you need help with audio_service.