Return specific files, not just those in $(ISOLATED_OUTDIR)

appengine/swarming/swarming_bot/bot_code/task_runner.py

Index: appengine/swarming/swarming_bot/bot_code/task_runner.py
diff --git a/appengine/swarming/swarming_bot/bot_code/task_runner.py b/appengine/swarming/swarming_bot/bot_code/task_runner.py
index 9a5fc8937abefb90fac7c03cc6f1015190af7edf..372f388abba306e56e34b4cea691df56da134435 100644
--- a/appengine/swarming/swarming_bot/bot_code/task_runner.py
+++ b/appengine/swarming/swarming_bot/bot_code/task_runner.py
@@ -107,6 +107,9 @@ def get_isolated_args(
             '--isolated', isolated_input,
           ])
 
+  for output in task_details.outputs:
+    cmd.extend(['--output', output])
+
   if task_details.cipd_input and task_details.cipd_input.get('packages'):
     for pkg in task_details.cipd_input.get('packages'):
       cmd.extend([
@@ -177,6 +180,7 @@ class TaskDetails(object):
     self.hard_timeout = data['hard_timeout']
     self.io_timeout = data['io_timeout']
     self.task_id = data['task_id']
+    self.outputs = data.get('outputs', [])
 
   @staticmethod
   def load(path):