binary_size_tool: fix for ambiguous addr2line output

build/android/pylib/symbols/elf_symbolizer_unittest.py

 #!/usr/bin/env python
 # Copyright 2014 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.
 
 import functools
 import logging
 import os
 import sys
 import unittest
@@ skipping 137 matching lines @@
     self.assertTrue(isinstance(sym_info, elf_symbolizer.ELFSymbolInfo))
     self.assertTrue(isinstance(cb_arg, tuple))
     self.assertEqual(len(cb_arg), 5)
 
     # Unpack expectations from the callback extra argument.
     (addr, exp_name, exp_source_path, exp_source_line, exp_inlines) = cb_arg
     if exp_name is None:
       self.assertIsNone(sym_info.name)
     else:
       self.assertTrue(sym_info.name.startswith(exp_name))
+    if not exp_source_path is None:
+      exp_source_path = os.path.abspath(exp_source_path)
     self.assertEqual(sym_info.source_path, exp_source_path)
     self.assertEqual(sym_info.source_line, exp_source_line)
 
     if exp_inlines:
       self.assertEqual(sym_info.name, exp_name + '_inner')
       self.assertEqual(sym_info.inlined_by.name, exp_name + '_middle')
       self.assertEqual(sym_info.inlined_by.inlined_by.name,
                        exp_name + '_outer')
 
     # Check against duplicate callbacks.
     self.assertNotIn(addr, self._resolved_addresses)
     self._resolved_addresses.add(addr)
 
 
 if __name__ == '__main__':
-  unittest.main()
+  unittest.main()