telemetry: Add thread time to telmetry timeline.

tools/perf/metrics/rendering_stats_unittest.py

Index: tools/perf/metrics/rendering_stats_unittest.py
diff --git a/tools/perf/metrics/rendering_stats_unittest.py b/tools/perf/metrics/rendering_stats_unittest.py
index ec18597b8ce059b7e527be493b62c15cc01aae9c..42eec9ff8c0f68550771f8e6255dd91213d67f2c 100644
--- a/tools/perf/metrics/rendering_stats_unittest.py
+++ b/tools/perf/metrics/rendering_stats_unittest.py
@@ -60,7 +60,8 @@ def AddMainThreadRenderingStats(mock_timer, thread, first_frame,
   # Add a slice with the event data to the given thread.
   thread.PushCompleteSlice(
       'benchmark', 'BenchmarkInstrumentation::MainThreadRenderingStats',
-      timestamp, 0.0, {'data': data})
+      timestamp, duration=0.0, thread_timestamp=None, thread_duration=None,
+      args={'data': data})
 
   if not ref_stats:
     return
@@ -97,7 +98,8 @@ def AddImplThreadRenderingStats(mock_timer, thread, first_frame,
   # Add a slice with the event data to the given thread.
   thread.PushCompleteSlice(
       'benchmark', 'BenchmarkInstrumentation::ImplThreadRenderingStats',
-      timestamp, 0.0, {'data': data})
+      timestamp, duration=0.0, thread_timestamp=None, thread_duration=None,
+      args={'data': data})
 
   if not ref_stats:
     return