Add copyright headers to remaining gyp files.

gyp/apptype_console.gypi

+# Copyright 2015 Google Inc.
+#
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
 # target_defaults used for executable targets that generate a console app
 {
   'target_defaults': {
     'msvs_settings': {
       'VCLinkerTool': {
         #Allows for creation / output to console.
         #Console (/SUBSYSTEM:CONSOLE)
         'SubSystem': '1',
 
         #Console app, use main/wmain
@@ skipping 58 matching lines @@
             '$(SDKROOT)/System/Library/Frameworks/Foundation.framework',
             '$(SDKROOT)/System/Library/Frameworks/ImageIO.framework',
             '$(SDKROOT)/System/Library/Frameworks/MobileCoreServices.framework',
             '$(SDKROOT)/System/Library/Frameworks/UIKit.framework',
           ],
         },
       }],
     ],
   },
 }