Try Yet Again to handle the output we get from android in run-webkit-tests.

Tools/Scripts/webkitpy/layout_tests/port/base.py

 # Copyright (C) 2010 Google Inc. 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
@@ skipping 1517 matching lines @@
                 env['LLVM_SYMBOLIZER_PATH'] = llvm_symbolizer_path
             else:
                 env = None
             sanitizer_filter_path = self.path_from_chromium_base('tools', 'valgrind', 'asan', 'asan_symbolize.py')
             sanitizer_strip_path_prefix = 'Release/../../'
             if self._filesystem.exists(sanitizer_filter_path):
                 stderr = self._executive.run_command(['flock', sys.executable, sanitizer_filter_path, sanitizer_strip_path_prefix], input=stderr, decode_output=False, env=env)
 
         name_str = name or '<unknown process name>'
         pid_str = str(pid or '<unknown>')
-        stdout_lines = (stdout or '<empty>').decode('utf8', 'replace').splitlines()
-        stderr_lines = (stderr or '<empty>').decode('utf8', 'replace').splitlines()
+
+        # We require stdout and stderr to be bytestrings, not character strings.
+        if stdout:
+            assert isinstance(stdout, str)
+            stdout_lines = stdout.decode('utf8', 'replace').splitlines()
+        else:
+            stdout_lines = [u'<empty>']
+        if stderr:
+            assert isinstance(stderr, str)
+            stderr_lines = stderr.decode('utf8', 'replace').splitlines()
+        else:
+            stderr_lines = [u'<empty>']
+
         return (stderr, 'crash log for %s (pid %s):\n%s\n%s\n' % (name_str, pid_str,
             '\n'.join(('STDOUT: ' + l) for l in stdout_lines),
             '\n'.join(('STDERR: ' + l) for l in stderr_lines)))
 
     def look_for_new_crash_logs(self, crashed_processes, start_time):
         pass
 
     def look_for_new_samples(self, unresponsive_processes, start_time):
         pass
 
@@ skipping 202 matching lines @@
 class PhysicalTestSuite(object):
     def __init__(self, base, args, reference_args=None):
         self.name = base
         self.base = base
         self.args = args
         self.reference_args = args if reference_args is None else reference_args
         self.tests = set()
 
     def __repr__(self):
         return "PhysicalTestSuite('%s', '%s', %s, %s)" % (self.name, self.base, self.args, self.reference_args)