[build] Conditionally print to stdout on Android

gypfiles/toolchain.gypi

 # Copyright 2013 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 39 matching lines @@
     # on the target.
     'v8_can_use_vfp32dregs%': 'false',
     'arm_test_noprobe%': 'off',
 
     # Similar to vfp but on MIPS.
     'v8_can_use_fpu_instructions%': 'true',
 
     # Similar to the ARM hard float ABI but on MIPS.
     'v8_use_mips_abi_hardfloat%': 'true',
 
+    # Print to stdout on Android.
+    'v8_android_log_stdout%': 0,
+
     # Force disable libstdc++ debug mode.
     'disable_glibcxx_debug%': 0,
 
     'v8_enable_backtrace%': 0,
 
     # Enable profiling support. Only required on Windows.
     'v8_enable_prof%': 0,
 
     # Some versions of GCC 4.5 seem to need -fno-strict-aliasing.
     'v8_no_strict_aliasing%': 0,
@@ skipping 1005 matching lines @@
            ['_toolset=="target"', {
              'conditions': [
                ['target_cxx_is_biarch==1', {
                  'cflags': [ '-m64' ],
                  'ldflags': [ '-m64' ],
                }],
              ]
            }],
          ],
       }],
+      ['OS=="android" and v8_android_log_stdout==1', {
+        'defines': [
+          'V8_ANDROID_LOG_STDOUT',
+        ],
+      }],
       ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris" \
          or OS=="netbsd" or OS=="qnx" or OS=="aix"', {
         'conditions': [
           [ 'v8_no_strict_aliasing==1', {
             'cflags': [ '-fno-strict-aliasing' ],
           }],
         ],  # conditions
       }],
       ['OS=="solaris"', {
         'defines': [ '__C99FEATURES__=1' ],  # isinf() etc.
@@ skipping 308 matching lines @@
             ],
           },
           'Release_x64': {
             'inherit_from': ['ReleaseBase'],
           },
         }],
       ],
     },  # configurations
   },  # target_defaults
 }