[telemetry] Sort imports in Telemetry and its dependents.

tools/perf/measurements/record_per_area_unittest.py

Index: tools/perf/measurements/record_per_area_unittest.py
diff --git a/tools/perf/measurements/record_per_area_unittest.py b/tools/perf/measurements/record_per_area_unittest.py
index b782b204c86259c8e7bf6ea7c78030f513abd8e7..7ee7119db6b968b41be9afd36d55a4e28f6f6b69 100644
--- a/tools/perf/measurements/record_per_area_unittest.py
+++ b/tools/perf/measurements/record_per_area_unittest.py
@@ -2,12 +2,13 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-from measurements import record_per_area
 from telemetry.core import wpr_modes
 from telemetry import decorators
 from telemetry.unittest_util import options_for_unittests
 from telemetry.unittest_util import page_test_test_case
 
+from measurements import record_per_area
+
 
 class RecordPerAreaUnitTest(page_test_test_case.PageTestTestCase):
   """Smoke test for record_per_area measurement