This commit modifies the sysinv conductor to update
the horizon runtime manifests when the timezone is
modified. This will allow the GUI to pick the
new timezone settings without having to reboot
the controller
Closes-Bug: #1806051
Change-Id: If24daaa97109d1020ec7f4ebdafebb5cda395ccb
Signed-off-by: Paul-Emile Element <Paul-Emile.Element@windriver.com>