Revert of [Telemetry] Modify CreatePageSet to CreateStorySet

tools/telemetry/telemetry/internal/util/find_dependencies.py

Index: tools/telemetry/telemetry/internal/util/find_dependencies.py
diff --git a/tools/telemetry/telemetry/internal/util/find_dependencies.py b/tools/telemetry/telemetry/internal/util/find_dependencies.py
index 802f1e5c4a134eb9574741609dac46fc1e95d56a..ac03be75d24cea628180c3f80fb0e8b0067582df 100644
--- a/tools/telemetry/telemetry/internal/util/find_dependencies.py
+++ b/tools/telemetry/telemetry/internal/util/find_dependencies.py
@@ -79,10 +79,10 @@
     path.GetBaseDir = lambda: base_dir
     # TODO: Loading the page set will automatically download its Cloud Storage
     # deps. This is really expensive, and we don't want to do this by default.
-    story_set = test_obj.CreateStorySet(options)
+    page_set = test_obj.CreatePageSet(options)
 
     # Add all of its serving_dirs as dependencies.
-    for serving_dir in story_set.serving_dirs:
+    for serving_dir in page_set.serving_dirs:
       yield serving_dir