lib: Fix swallowed events in inspect integration

PR-URL: nodejs#11869
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

lib/internal/bootstrap_node.js

@@ -81,7 +81,9 @@
 
     } else if (process.argv[1] === 'inspect') {
       // Start the debugger agent
-      NativeModule.require('node-inspect/lib/_inspect').start();
+      process.nextTick(function() {
+        NativeModule.require('node-inspect/lib/_inspect').start();
+      });
 
     } else if (process.argv[1] === '--remote_debugging_server') {
       // Start the debugging server