[Android] Fix tombstone streaming to logdog.

build/android/pylib/local/device/local_device_gtest_run.py

 # 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 collections
 import itertools
 import logging
 import os
 import posixpath
 import time
@@ skipping 428 matching lines @@
           if not tombstones_url:
             resolved_tombstones = tombstones.ResolveTombstones(
                 device,
                 resolve_all_tombstones=True,
                 include_stack_symbols=False,
                 wipe_tombstones=True)
             stream_name = 'tombstones_%s_%s' % (
                 time.strftime('%Y%m%dT%H%M%S', time.localtime()),
                 device.serial)
             tombstones_url = logdog_helper.text(
-                stream_name, resolved_tombstones)
+                stream_name, '\n'.join(resolved_tombstones))
           result.SetLink('tombstones', tombstones_url)
 
     tests_stripped_disabled_prefix = set()
     for t in test:
       tests_stripped_disabled_prefix.add(
           gtest_test_instance.TestNameWithoutDisabledPrefix(t))
     not_run_tests = tests_stripped_disabled_prefix.difference(
         set(r.GetName() for r in results))
     return results, list(not_run_tests) if results else None
 
   #override
   def TearDown(self):
     @local_device_environment.handle_shard_failures
     @trace_event.traced
     def individual_device_tear_down(dev):
       for s in self._servers.get(str(dev), []):
         s.TearDown()
 
       tool = self.GetTool(dev)
       tool.CleanUpEnvironment()
 
     self._env.parallel_devices.pMap(individual_device_tear_down)