Load balancers with multiple listeners, running on an amphora image
with HAProxy 1.8 or newer can experience excessive memory usage that
may lead to an ERROR provisioning_status.
This patch resolves this issue by consolidating the listeners into
a single haproxy process inside the amphora.
Story: 2005412
Task: 34744
Co-Authored-By: Adam Harwell <flux.adam@gmail.com>
Change-Id: Idaccbcfa0126f1e26fbb3ad770c65c9266cfad5b
06ce4777c3