Turn sysmon into a more long-lived process which loops itself.
Turn sysmon into a more long-lived process which loops itself.

R=stip@chromium.org
BUG=440961

Review URL: https://codereview.chromium.org/970293003

nicko96/Chrome-Infra,nicko96/Chrome-Infra,nicko96/Chrome-Infra,nicko96/Chrome-Infra,nicko96/Chrome-Infra