Add sound volume to device attribute reporting

chromeos/settings/cros_settings_names.cc

Index: chromeos/settings/cros_settings_names.cc
diff --git a/chromeos/settings/cros_settings_names.cc b/chromeos/settings/cros_settings_names.cc
index e203881ff443a03475bff3856e670a3e54338719..ab7a356e4373ae27c6d1b70ab6019d4c0893e166 100644
--- a/chromeos/settings/cros_settings_names.cc
+++ b/chromeos/settings/cros_settings_names.cc
@@ -116,6 +116,10 @@ const char kReportDeviceUsers[] = "cros.device_status.report_users";
 const char kReportDeviceHardwareStatus[] =
     "cros.device_status.report_hardware_status";
 
+// Determines whether the device reports output sound volume level in device
+// status reports to the device management server.
+const char kReportSoundVolume[] = "cros.device_status.report_sound_volume";
+
 // Determines whether the device reports kiosk session status (app IDs,
 // versions, etc) in device status reports to the device management server.
 const char kReportDeviceSessionStatus[] =