Revert of Insert logcat as part of test result for android instrumentation tests.

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 afa04562b0cd694a37e49fc93924c3e83e80ea89..f8d37e76c0223bc5b3f001268120ccd5cbca42e7 100644
--- a/build/android/pylib/instrumentation/instrumentation_test_instance.py
+++ b/build/android/pylib/instrumentation/instrumentation_test_instance.py
@@ -442,9 +442,6 @@
     self._store_tombstones = False
     self._initializeTombstonesAttributes(args)
 
-    self._should_save_logcat = None
-    self._initializeLogAttributes(args)
-
   def _initializeApkAttributes(self, args, error_func):
     if args.apk_under_test:
       apk_under_test_path = args.apk_under_test
@@ -597,9 +594,6 @@
   def _initializeTombstonesAttributes(self, args):
     self._store_tombstones = args.store_tombstones
 
-  def _initializeLogAttributes(self, args):
-    self._should_save_logcat = bool(args.json_results_file)
-
   @property
   def additional_apks(self):
     return self._additional_apks
@@ -631,10 +625,6 @@
   @property
   def flags(self):
     return self._flags
-
-  @property
-  def should_save_logcat(self):
-    return self._should_save_logcat
 
   @property
   def package_info(self):