[Telemetry] Move telemetry from telemetry/timeline/trace_data to tracing/trace_data

telemetry/telemetry/internal/results/page_test_results_unittest.py

Index: telemetry/telemetry/internal/results/page_test_results_unittest.py
diff --git a/telemetry/telemetry/internal/results/page_test_results_unittest.py b/telemetry/telemetry/internal/results/page_test_results_unittest.py
index 39ca0416df24bde6bd2185ed7c62f9f25e03c6ad..c4eb8baf5e2ba8f2cacddd080b5f01e4a3fbd2d4 100644
--- a/telemetry/telemetry/internal/results/page_test_results_unittest.py
+++ b/telemetry/telemetry/internal/results/page_test_results_unittest.py
@@ -13,13 +13,13 @@ from telemetry.internal.results import json_output_formatter
 from telemetry.internal.results import page_test_results
 from telemetry import page as page_module
 from telemetry.testing import stream
-from telemetry.timeline import trace_data
 from telemetry.value import failure
 from telemetry.value import histogram
 from telemetry.value import improvement_direction
 from telemetry.value import scalar
 from telemetry.value import skip
 from telemetry.value import trace
+from tracing.trace_data import trace_data
 
 
 class PageTestResultsTest(base_test_results_unittest.BaseTestResultsUnittest):