[WIP NOT FOR COMMIT] Switch Android to libc++

build/android/setup.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.
 {
   'conditions': [
     ['component == "shared_library"', {
       'targets': [
         {
           # These libraries from the Android ndk are required to be packaged with
           # any APK that is built with them. build/java_apk.gypi expects any
           # libraries that should be packaged with the apk to be in
           # <(SHARED_LIB_DIR)
           'target_name': 'copy_system_libraries',
           'type': 'none',
           'conditions': [
             ['target_arch=="arm" and arm_thumb==1', {
               'copies': [
                 {
                   'destination': '<(SHARED_LIB_DIR)/',
                   'files': [
-                    '<(android_stlport_libs_dir)/thumb/libstlport_shared.so',
+                    '<(android_libcpp_libs_dir)/thumb/libc++_shared.so',
                   ],
                 },
               ],
             }, {
               'copies': [
                 {
                   'destination': '<(SHARED_LIB_DIR)/',
                   'files': [
-                    '<(android_stlport_libs_dir)/libstlport_shared.so',
+                    '<(android_libcpp_libs_dir)/libc++_shared.so',
                   ],
                 },
               ],
             }],
           ],
         },
       ],
     }],
   ],
   'targets': [
@@ skipping 45 matching lines @@
             'mkdir',
             '-p',
             '<@(output_dirs)',
           ],
         },
       ],
     }, # build_output_dirs
   ]
 }