[icu] Support loading data file from default location

src/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 795 matching lines @@
         'factory.cc',
         'factory.h',
         'fast-accessor-assembler.cc',
         'fast-accessor-assembler.h',
         'fast-dtoa.cc',
         'fast-dtoa.h',
         'field-index.h',
         'field-index-inl.h',
         'field-type.cc',
         'field-type.h',
+        'file-utils.cc',
+        'file-utils.h',
         'fixed-dtoa.cc',
         'fixed-dtoa.h',
         'flag-definitions.h',
         'flags.cc',
         'flags.h',
         'frames-inl.h',
         'frames.cc',
         'frames.h',
         'full-codegen/full-codegen.cc',
         'full-codegen/full-codegen.h',
@@ skipping 1454 matching lines @@
         }],
         ['want_separate_host_toolset==1', {
           'toolsets': ['host'],
         }, {
           'toolsets': ['target'],
         }],
       ],
     },
   ],
 }