Revert of Added tombstones in instrumentation tests results.

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 9f743353f992bf282a84cb739ef018c5f94af102..26d10f4d1d7ed797a4682a0acae6ff13b382281e 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
@@ -15,7 +15,7 @@
 from pylib.base import base_test_result
 from pylib.local.device import local_device_environment
 from pylib.local.device import local_device_test_run
-import tombstones
+
 
 TIMEOUT_ANNOTATIONS = [
   ('Manual', 10 * 60 * 60),
@@ -143,8 +143,6 @@
       else:
         for step in steps:
           step()
-      if self._test_instance.store_tombstones:
-        tombstones.ClearAllTombstones(dev)
 
     self._env.parallel_devices.pMap(
         individual_device_set_up,
@@ -331,15 +329,6 @@
           self._test_instance.coverage_directory)
       device.RunShellCommand('rm -f %s' % os.path.join(coverage_directory,
           '*'))
-    if self._test_instance.store_tombstones:
-      for result in results:
-        if result.GetType() == base_test_result.ResultType.CRASH:
-          resolved_tombstones = tombstones.ResolveTombstones(
-              device,
-              resolve_all_tombstones=True,
-              include_stack_symbols=False,
-              wipe_tombstones=True)
-          result.SetTombstones('\n'.join(resolved_tombstones))
     return results
 
   #override