Store tombstones url, not the actual tombstones, inside test result.

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

Index: build/android/pylib/local/device/local_device_instrumentation_test_run.py
diff --git a/build/android/pylib/local/device/local_device_instrumentation_test_run.py b/build/android/pylib/local/device/local_device_instrumentation_test_run.py
index 8fb78feb36b598f78fa82acd6de42e8b7a55d581..08ae4f35d971590dbe728177c8764b3c669d6411 100644
--- a/build/android/pylib/local/device/local_device_instrumentation_test_run.py
+++ b/build/android/pylib/local/device/local_device_instrumentation_test_run.py
@@ -339,16 +339,21 @@ class LocalDeviceInstrumentationTestRun(
       device.RunShellCommand('rm -f %s' % os.path.join(coverage_directory,
           '*'))
     if self._test_instance.store_tombstones:
-      resolved_tombstones = None
+      tombstones_url = None
       for result in results:
         if result.GetType() == base_test_result.ResultType.CRASH:
-          if not resolved_tombstones:
-            resolved_tombstones = '\n'.join(tombstones.ResolveTombstones(
+          if not tombstones_url:
+            resolved_tombstones = tombstones.ResolveTombstones(
                 device,
                 resolve_all_tombstones=True,
                 include_stack_symbols=False,
-                wipe_tombstones=True))
-          result.SetTombstones(resolved_tombstones)
+                wipe_tombstones=True)
+            stream_name = 'tombstones_%s_%s' % (
+                time.strftime('%Y%m%dT%H%M%S', time.localtime()),
+                device.serial)
+            tombstones_url = tombstones.LogdogTombstones(resolved_tombstones,
+                                                         stream_name)
+          result.SetTombstonesUrl(tombstones_url)
     return results, None
 
   #override