msvs: Revert r1920 and add a test for excluded idl

test/win/idl-excluded/idl-excluded.gyp

+# Copyright (c) 2014 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': 'exclude_with_action',
+      'type': 'none',
+      'msvs_cygwin_shell': 0,
+      'actions': [{
+        'action_name': 'copy_action',
+        'inputs': [
+          'copy-file.py',
+          'bad.idl',
+        ],
+        'outputs': [
+          '<(INTERMEDIATE_DIR)/bad.idl',
+        ],
+        'action': [
+          'python', '<@(_inputs)', '<@(_outputs)',
+        ],
+      }],
+    },
+    {
+      'target_name': 'exclude_with_rule',
+      'type': 'none',
+      'msvs_cygwin_shell': 0,
+      'sources': [
+        'bad.idl',
+      ],
+      'rules': [{
+        'rule_name': 'copy_rule',
+        'extension': 'idl',
+        'inputs': [
+          'copy-file.py',
+        ],
+        'outputs': [
+          '<(INTERMEDIATE_DIR)/<(RULE_INPUT_ROOT).idl',
+        ],
+        'action': [
+          'python', '<@(_inputs)', '<(RULE_INPUT_PATH)', '<@(_outputs)',
+        ],
+      }],
+    },
+    {
+      'target_name': 'program',
+      'type': 'executable',
+      'sources': [
+        'program.cc',
+      ],
+      'dependencies': [
+        'exclude_with_action',
+        'exclude_with_rule',
+      ],
+    },
+  ],
+}