[telemetry] Sort imports in Telemetry and its dependents.

content/test/gpu/gpu_tests/trace_test.py

Index: content/test/gpu/gpu_tests/trace_test.py
diff --git a/content/test/gpu/gpu_tests/trace_test.py b/content/test/gpu/gpu_tests/trace_test.py
index 0238045e9fb78344f252be2bc7d17f6cc15a184c..72126c545f2ac63da301ff000621a7243a03fa51 100644
--- a/content/test/gpu/gpu_tests/trace_test.py
+++ b/content/test/gpu/gpu_tests/trace_test.py
@@ -1,13 +1,13 @@
 # Copyright (c) 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
-import trace_test_expectations
 import page_sets
+import trace_test_expectations
 
 from telemetry import benchmark
-from telemetry.page import page_test
 from telemetry.core.platform import tracing_category_filter
 from telemetry.core.platform import tracing_options
+from telemetry.page import page_test
 from telemetry.timeline import model as model_module
 
 TOPLEVEL_GL_CATEGORY = 'gpu_toplevel'