Make chrome_shell_apk build

printing/printing.gyp

 # Copyright (c) 2012 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'targets': [
     {
@@ skipping 274 matching lines @@
             ],
           },
         }],
       ],
     },
   ],
   'conditions': [
     ['OS == "android"', {
       'targets': [
         {
+          # GN: //printing:printing_jni_headers
           'target_name': 'printing_jni_headers',
           'type': 'none',
           'sources': [
             'android/java/src/org/chromium/printing/PrintingContext.java',
           ],
           'variables': {
             'jni_gen_package': 'printing',
           },
           'includes': [ '../build/jni_generator.gypi' ],
         },
-        {
-          'target_name': 'printing_java',
+        {
+          # GN: //printing:printing_java
+          'target_name': 'printing_java',
           'type': 'none',
           'variables': {
             'java_in_dir': '../printing/android/java',
           },
           'dependencies': [
             '../base/base.gyp:base_java',
           ],
           'includes': [ '../build/java.gypi'  ],
-        }
+        }
       ]
     }],
   ]
 }