Allow multiple devices on bisects hosts

scripts/slave/recipe_modules/chromium_android/api.py

Index: scripts/slave/recipe_modules/chromium_android/api.py
diff --git a/scripts/slave/recipe_modules/chromium_android/api.py b/scripts/slave/recipe_modules/chromium_android/api.py
index c9fcc279f3ef2bf28a19835d32587fe246832262..daef36e42a659221cc6ca18db3894909b482e592 100644
--- a/scripts/slave/recipe_modules/chromium_android/api.py
+++ b/scripts/slave/recipe_modules/chromium_android/api.py
@@ -22,7 +22,8 @@ class AndroidApi(recipe_api.RecipeApi):
     super(AndroidApi, self).__init__(**kwargs)
     self._devices = None
     self._file_changes_path = None
-
+    self.test_device = None
+    
   def get_config_defaults(self):
     return {
       'REVISION': self.m.properties.get('revision', ''),
@@ -1006,7 +1007,7 @@ class AndroidApi(recipe_api.RecipeApi):
                           "android.webkit.cts.ExampleBlacklistedTest":
                             [
                               {
-                                "name": "testA", 
+                                "name": "testA",
                                 "_bug_id": "crbug.com/123"
                               },
                               {"name": "testB"}
@@ -1014,7 +1015,7 @@ class AndroidApi(recipe_api.RecipeApi):
                           }'''
         )
     expected_failure = self.m.json.loads(expected_failure_json)
-    
+
     cts_base_dir = self.m.path['build'].join('site_config', 'cts')
     cts_zip_path = cts_base_dir.join(_cts_file_name)
     cts_extract_dir = cts_base_dir.join('unzipped')
@@ -1072,8 +1073,8 @@ class AndroidApi(recipe_api.RecipeApi):
         if test_method.get('result') == 'notExecuted':
           not_executed_tests.append(method_name)
         elif (test_method.find('./FailedScene') is not None and
-              test_method.get('name') not in 
-                [ t.get('name') for t in 
+              test_method.get('name') not in
+                [ t.get('name') for t in
                   expected_failure.get(class_name, []) ]):
           unexpected_test_failures.append(method_name)