[Android] Fix v8_shell compilation for Android component build.

tools/gyp/v8.gyp

 # Copyright 2012 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 50 matching lines @@
               'defines': [
                 'V8_SHARED',
                 'BUILDING_V8_SHARED',
               ],
               'direct_dependent_settings': {
                 'defines': [
                   'V8_SHARED',
                   'USING_V8_SHARED',
                 ],
               },
-              'conditions': [
-                ['OS=="android"', {
+              'target_conditions': [
+                ['OS=="android" and _toolset=="target"', {
                   'libraries': [
                     '-llog',
                   ],
                   'include_dirs': [
                     'src/common/android/include',
                   ],
                 }],
+              ],
+              'conditions': [
                 ['OS=="mac"', {
                   'xcode_settings': {
                     'OTHER_LDFLAGS': ['-dynamiclib', '-all_load']
                   },
                 }],
                 ['soname_version!=""', {
                   'product_extension': 'so.<(soname_version)',
                 }],
               ],
             },
@@ skipping 964 matching lines @@
             }],
           ],
           'dependencies': [
             'v8'
           ],
         },
       ],
     }],
   ],
 }