Fix the stack script issue when symbolizing tombstones.

build/android/pylib/instrumentation/instrumentation_test_instance.py

Index: build/android/pylib/instrumentation/instrumentation_test_instance.py
diff --git a/build/android/pylib/instrumentation/instrumentation_test_instance.py b/build/android/pylib/instrumentation/instrumentation_test_instance.py
index 2443384e51864c28c3a3c22d2b19f34704ae8aca..810e9ffbc1a32f2f92ecc77e600ad164f5b8dba1 100644
--- a/build/android/pylib/instrumentation/instrumentation_test_instance.py
+++ b/build/android/pylib/instrumentation/instrumentation_test_instance.py
@@ -20,6 +20,8 @@ from pylib.instrumentation import instrumentation_parser
 from pylib.utils import dexdump
 from pylib.utils import proguard
 from pylib.utils import shared_preference_utils
+from pylib.utils import symbolizer
+
 
 with host_paths.SysPath(host_paths.BUILD_COMMON_PATH):
   import unittest_util # pylint: disable=import-error
@@ -443,6 +445,7 @@ class InstrumentationTestInstance(test_instance.TestInstance):
     self._initializeTestCoverageAttributes(args)
 
     self._store_tombstones = False
+    self._symbolizer = symbolizer.Symbolizer()

[jbudorick, 2017/07/21 13:46:23]

This should be None.

[BigBossZhiling, 2017/07/21 18:38:13]

Done.

     self._initializeTombstonesAttributes(args)
 
     self._gs_results_bucket = None
@@ -624,6 +627,9 @@ class InstrumentationTestInstance(test_instance.TestInstance):
 
   def _initializeTombstonesAttributes(self, args):
     self._store_tombstones = args.store_tombstones
+    self._symbolizer = symbolizer.Symbolizer(
+        self.apk_under_test.path if self.apk_under_test else None,
+        args.enable_relocation_packing)
 
   def _initializeLogAttributes(self, args):
     self._gs_results_bucket = args.gs_results_bucket
@@ -716,6 +722,10 @@ class InstrumentationTestInstance(test_instance.TestInstance):
   def suite(self):
     return self._suite
 
+  @property
+  def symbolizer(self):
+    return self._symbolizer
+
   @property
   def test_apk(self):
     return self._test_apk