[Telemetry] Output all timeline based metrics on all timeline interaction records

tools/perf/benchmarks/gpu_times.py

Index: tools/perf/benchmarks/gpu_times.py
diff --git a/tools/perf/benchmarks/gpu_times.py b/tools/perf/benchmarks/gpu_times.py
index c2ccd0ec7f90f024a6dccdd7e1ff377db381c702..246f3c18fbb81b4a88f1403b26cd8804427f6197 100644
--- a/tools/perf/benchmarks/gpu_times.py
+++ b/tools/perf/benchmarks/gpu_times.py
@@ -13,18 +13,13 @@ TOPLEVEL_CATEGORIES = ['disabled-by-default-gpu.device',
                        'disabled-by-default-gpu.service']
 
 
-def _GetGPUTimelineMetric(_):
-      return [gpu_timeline.GPUTimelineMetric()]
-
-
 class _GPUTimes(benchmark.Benchmark):
   def CreateTimelineBasedMeasurementOptions(self):
     cat_string = ','.join(TOPLEVEL_CATEGORIES)
     cat_filter = tracing_category_filter.TracingCategoryFilter(cat_string)
 
     return timeline_based_measurement.Options(
-        overhead_level=cat_filter,
-        get_metrics_from_flags_callback=_GetGPUTimelineMetric)
+        overhead_level=cat_filter)
 
   @classmethod
   def ValueCanBeAddedPredicate(cls, value):