test: eval mode net.listen should emit listening

Server does not emit a listen event when no address is specified and
is called in eval mode.

Regression introduced in 5b636fe.

test/parallel/test-net-listen-anyaddr.js

@@ -0,0 +1,15 @@
+var assert = require('assert');
+var common = require('../common');
+var cp = require('child_process');
+
+var args = [
+  '-e',
+  "require('net').createServer().listen(0, function() { this.close(); });",
+];
+
+// should exit cleanly almost immediately
+var opts = {
+  timeout: common.platformTimeout(1000),
+};
+
+cp.execFile(process.execPath, args, opts, assert.ifError);