message: Do not disable metrics by default.
  Starting from [1] metrics are optional but by default they should be
  enabled.
  [1]
  Cr-Commit-Position: refs/heads/master@{#30057}
diff: @@ -254,7 +254,7 @@ declare_args() {
  rtc_disable_check_msg = false
  # Set this to true to disable webrtc metrics.
  - rtc_disable_metrics = true
  + rtc_disable_metrics = false
  }
  # Make it possible to provide custom locations for some libraries (move these
  