We short circuited reporting if any one reported failed. Instead do our
best to report to all reporters even if any one fails this way the
message has a better chance of getting out. This issue was identified
during the openstack zuul v3 transition as an item that needed to be
fixed.
Change-Id: Ia7f14fb108cd9ecdb14f6cada29abdf69acc1ed2
Story: 2001441