Debugd is allowed to call SetLogging method on org.freedesktop.ModemManager interface via DBus BUG=chromium-os:25701 TEST=No tests needed. Change-Id: I9b51cbe406e82959562767ed8a2ab0df6f8b4076 Reviewed-on: https://gerrit.chromium.org/gerrit/19884 Reviewed-by: Jason Glasgow <[email protected]> Tested-by: Yuri Gorshenin <[email protected]> Commit-Ready: Yuri Gorshenin <[email protected]>