This changes _ACTIVATION_TIMEOUT of LBaaS driver from constant to
configurable value in order to make it flexible to production
environment.
This commit also increases the timeout value in DevStack plugin to make
sure Octavia has time to run Amphorae in the gate.
Co-Authored-By: Michał Dulko <mdulko@redhat.com>
Change-Id: I895d3e5af71ccc7219be422b9ca9e9f8833bad8f
Related-Bug: 1753653
Signed-off-by: Eunsoo Park <esevan.park@gmail.com>