Temporary revert "Single binary for unittests."

cloud_print/virtual_driver/virtual_driver.gyp

Index: cloud_print/virtual_driver/virtual_driver.gyp
diff --git a/cloud_print/virtual_driver/virtual_driver.gyp b/cloud_print/virtual_driver/virtual_driver.gyp
new file mode 100644
index 0000000000000000000000000000000000000000..8368ffb02a4165f990e561a4ee3953221a8e4579
--- /dev/null
+++ b/cloud_print/virtual_driver/virtual_driver.gyp
@@ -0,0 +1,15 @@
+# Copyright (c) 2011 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+{
+  'targets': [
+    {
+      'target_name': 'virtual_driver',
+      'type': 'none',
+      'dependencies': [
+        'win/install/virtual_driver_install.gyp:*',
+        'win/port_monitor/virtual_driver_port_monitor.gyp:*',
+      ],
+    },
+  ],
+}