Simplifies standalone VM Android build.

runtime/tools/gyp/runtime_configurations_android.gypi

Index: runtime/tools/gyp/runtime_configurations_android.gypi
===================================================================
--- runtime/tools/gyp/runtime_configurations_android.gypi	(revision 31337)
+++ runtime/tools/gyp/runtime_configurations_android.gypi	(working copy)
@@ -1,57 +0,0 @@
-# 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',
-    ],
-    'target_conditions': [
-      ['_toolset=="target"', {
-        'cflags!': [
-          '-pthread',  # Not supported by Android toolchain.
-        ],
-        'cflags': [
-          '-U__linux__',  # Don't allow toolchain to claim -D__linux__
-          '-ffunction-sections',
-          '-funwind-tables',
-          '-fstack-protector',
-          '-fno-short-enums',
-          '-finline-limit=64',
-          '-Wa,--noexecstack',
-        ],
-        'defines': [
-          'ANDROID',
-          'USE_STLPORT=1',
-          '_STLP_USE_PTR_SPECIALIZATIONS=1',
-          '_STLP_NO_CSTD_FUNCTION_IMPORTS=1',
-          'HAVE_OFF64_T',
-          'HAVE_SYS_UIO_H',
-        ],
-        'ldflags!': [
-          '-pthread',  # Not supported by Android toolchain.
-        ],
-        'ldflags': [
-          '-nostdlib',
-          '-Wl,--no-undefined',
-          # Don't export symbols from statically linked libraries.
-          '-Wl,--exclude-libs=ALL',
-        ],
-      }],  # _toolset=="target"
-    ],  # target_conditions
-  },  # target_defaults
-}