Break out of for loop if bisect job succeeds on one test device

scripts/slave/recipes/bisection/android_bisect.py

Index: scripts/slave/recipes/bisection/android_bisect.py
diff --git a/scripts/slave/recipes/bisection/android_bisect.py b/scripts/slave/recipes/bisection/android_bisect.py
index cd63d9f2d9571b8d264b434f53891eddbf40e621..40bf01bc55e9b56833c377fade7e4752096cb4aa 100644
--- a/scripts/slave/recipes/bisection/android_bisect.py
+++ b/scripts/slave/recipes/bisection/android_bisect.py
@@ -557,9 +557,9 @@ results-without_patch
         'Gathering reference values.saving json to temp file (2)',
         stdout=api.raw_io.output('/tmp/dummy4')) +
     api.override_step_data('device_status',
-        api.json.output(working_device)) +
+        api.json.output(two_devices)) +
     api.override_step_data('device_status (2)',
-        api.json.output(working_device)) +
+        api.json.output(two_devices)) +
     api.step_data('Resolving reference range.crrev get commit hash for ' +
         ('refs/heads/master@{#%s}' % local_bisect_config['bad_revision']),
         stdout=api.json.output(