Move cloud_storage to catapult_base.

tools/telemetry/telemetry/internal/story_runner.py

Index: tools/telemetry/telemetry/internal/story_runner.py
diff --git a/tools/telemetry/telemetry/internal/story_runner.py b/tools/telemetry/telemetry/internal/story_runner.py
index 4fa71557c29b08e482d424c4d0ceae9f2dd3f136..25d041f35bbb96f75a4f21d8d255f7cb03110f73 100644
--- a/tools/telemetry/telemetry/internal/story_runner.py
+++ b/tools/telemetry/telemetry/internal/story_runner.py
@@ -8,13 +8,13 @@ import os
 import sys
 import time
 
+from catapult_base import cloud_storage
 from telemetry.core import exceptions
 from telemetry.core import wpr_modes
 from telemetry.internal.actions import page_action
 from telemetry.page import page_test
 from telemetry.results import results_options
 from telemetry import story
-from telemetry.util import cloud_storage
 from telemetry.util import exception_formatter
 from telemetry.value import failure
 from telemetry.value import skip