(Reland) Add failure screenshots and images to results detail.

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 d8f0995269327ff03c4407424f3b5c37fb86d0a1..2324fca1194d3efc8ad608b40abd5fc68e5ce898 100644
--- a/build/android/pylib/instrumentation/instrumentation_test_instance.py
+++ b/build/android/pylib/instrumentation/instrumentation_test_instance.py
@@ -498,6 +498,7 @@ class InstrumentationTestInstance(test_instance.TestInstance):
     self._store_tombstones = False
     self._initializeTombstonesAttributes(args)
 
+    self._gs_results_bucket = None
     self._should_save_logcat = None
     self._initializeLogAttributes(args)
 
@@ -682,6 +683,7 @@ class InstrumentationTestInstance(test_instance.TestInstance):
     self._store_tombstones = args.store_tombstones
 
   def _initializeLogAttributes(self, args):
+    self._gs_results_bucket = args.gs_results_bucket
     self._should_save_logcat = bool(args.json_results_file)
 
   def _initializeEditPrefsAttributes(self, args):
@@ -747,6 +749,10 @@ class InstrumentationTestInstance(test_instance.TestInstance):
     return self._flags
 
   @property
+  def gs_results_bucket(self):
+    return self._gs_results_bucket
+
+  @property
   def should_save_logcat(self):
     return self._should_save_logcat