The failure happens when collecting the trace:

Traceback (most recent call last):
  File "/b/c/b/Android_One_Perf__1_/src/third_party/catapult/telemetry/telemetry/internal/story_runner.py", line 90, in _RunStoryAndProcessErrorIfNeeded
    test.Measure(state.platform, results)
  File "/b/c/b/Android_One_Perf__1_/src/third_party/catapult/telemetry/telemetry/web_perf/timeline_based_measurement.py", line 290, in Measure
    trace_result = platform.tracing_controller.StopTracing()
  File "/b/c/b/Android_One_Perf__1_/src/third_party/catapult/telemetry/telemetry/core/tracing_controller.py", line 47, in StopTracing
    return self._tracing_controller_backend.StopTracing()
  File "/b/c/b/Android_One_Perf__1_/src/third_party/catapult/telemetry/telemetry/internal/platform/tracing_controller_backend.py", line 140, in StopTracing
    '\n'.join(raised_exception_messages))
Error: Exceptions raised when trying to stop tracing:
Traceback (most recent call last):
  File "/b/c/b/Android_One_Perf__1_/src/third_party/catapult/telemetry/telemetry/internal/platform/tracing_controller_backend.py", line 128, in StopTracing
    agent.CollectAgentTraceData(builder)
  File "/b/c/b/Android_One_Perf__1_/src/third_party/catapult/telemetry/telemetry/internal/platform/tracing_agent/chrome_tracing_agent.py", line 248, in CollectAgentTraceData
    '\n'.join(raised_exception_messages))
ChromeTracingStoppedError: Exceptions raised when trying to collect Chrome devtool tracing:

seems to be passing again here
https://build.chromium.org/p/chromium.perf/builders/Android%20One%20Perf%20%281%29/builds/5243