Device: Nexus 6P (userdebug)
Version: r396555

adb_profile_chrome with '-s' systrace option always fails for me.

$ ./build/android/adb_profile_chrome -b chromium -t 5 -s freq idle am
Capturing 5-second chrome trace + systrace. Press Enter to stop early...
CRITICAL:root:STDERR: ** daemon still not running
error: cannot connect to daemon

^C
Traceback (most recent call last):
  <module> at /usr/local/google/code/chrome/src/third_party/catapult/systrace/bin/adb_profile_chrome:14
    sys.exit(main.main())
  main at /usr/local/google/code/chrome/src/third_party/catapult/systrace/profile_chrome/main.py:253
    write_json=options.json)
  CaptureProfile at /usr/local/google/code/chrome/src/third_party/catapult/systrace/profile_chrome/profiler.py:84
    _StopTracing(controllers)
  _StopTracing at /usr/local/google/code/chrome/src/third_party/catapult/systrace/profile_chrome/profiler.py:20
    controller.StopTracing()
  StopTracing at /usr/local/google/code/chrome/src/third_party/catapult/systrace/profile_chrome/chrome_controller.py:97
    self._trace_finish_re, timeout=120).group(1)
  timeout_retry_wrapper at /usr/local/google/code/chrome/src/third_party/catapult/devil/devil/android/decorators.py:57
    retry_if_func=retry_if_func)
  Run at /usr/local/google/code/chrome/src/third_party/catapult/devil/devil/utils/timeout_retry.py:167
    error_log_func=error_log_func)
  JoinAll at /usr/local/google/code/chrome/src/third_party/catapult/devil/devil/utils/reraiser_thread.py:186
    self._JoinAll(watcher, timeout)
  _JoinAll at /usr/local/google/code/chrome/src/third_party/catapult/devil/devil/utils/reraiser_thread.py:153
    thread.join(0.1)
  join at /usr/lib/python2.7/threading.py:960
    self.__block.wait(delay)
  wait at /usr/lib/python2.7/threading.py:358
    _sleep(delay)
KeyboardInterrupt

Locals:
  delay       : 0.008
  endtime     : 1464901466.5943508
  gotit       : False
  remaining   : 0.09278488159179688
  saved_state : None
  timeout     : 0.09999990463256836
  waiter      : <thread.lock object at 0x7fc54e1c4f90>

^C^C^C^CCRITICAL:root:STDERR: ** daemon still not running