If no device or emulator is attached `tns debug android` kills the commandline process and doesn't start an emulator

[pkoleva]

Did you verify this is a real problem by searching Stack Overflow and the other open issues in this repo?

Yes

Tell us about the problem

tns debug android kills the CLI process if no emulator or device is connected. It should start an emulator, deploy the app, start it and attach the debugger

Which platform(s) does your issue occur on?

Android

Please provide the following version numbers that your issue occurs with:

• CLI: 3.1.0

Please tell us how to recreate the issue in as much detail as possible.

1. Create an app
2. Execute tns debug android