runDevicesCli function
CLI adapter for fdb devices. Accepts no flags; emits one line per
device:
DEVICE_ID=<id> NAME=<name> PLATFORM=<platform> EMULATOR=<bool>
Errors are written to stderr prefixed with ERROR: or WARNING:.
Implementation
Future<int> runDevicesCli(List<String> args) => runCliAdapter(ArgParser(), args, _execute);