A working version of dart on Android.

runtime/tools/gyp/runtime_configurations_android.gypi

 # Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 # Definitions for building Chrome with Dart on Android.
 # This is mostly excerpted from:
 # http://src.chromium.org/viewvc/chrome/trunk/src/build/common.gypi
 
 {
+  'variables': {
+    'dart_io_support': 0,
+  },
   'target_defaults': {
     'cflags': [
       '-Wno-abi',
       '-Wall',
       '-W',
       '-Wno-unused-parameter',
       '-Wnon-virtual-dtor',
       '-fno-rtti',
       '-fno-exceptions',
     ],
@@ skipping 25 matching lines @@
         'ldflags': [
           '-nostdlib',
           '-Wl,--no-undefined',
           # Don't export symbols from statically linked libraries.
           '-Wl,--exclude-libs=ALL',
         ],
       }],  # _toolset=="target"
     ],  # target_conditions
   },  # target_defaults
 }