contrail flows not reaching collector because of incorrect configuration

[Arvind]

The agent does not send flows to collector if both SLO and sampling have destination set as collector.
This is because of incorrect logic.
When the flow messages are being sent to syslog, no need to check for log level. [By default, the log level is SYS_NOTICE and sessions are sent at SYS_INFO. This results in messages not getting written to syslog. Changing default log level to SYS_INFO in configuration file cannot be a solution.

[OpenContrail Admin (ci-admin-f)]

Review in progress for https://review.opencontrail.org/48564
Submitter: Arvind (<email address hidden>)

[OpenContrail Admin (ci-admin-f)]

Review in progress for https://review.opencontrail.org/48562
Submitter: Arvind (<email address hidden>)

[OpenContrail Admin (ci-admin-f)]

Reviewed: https://review.opencontrail.org/48562
Committed: http://github.com/Juniper/contrail-controller/commit/afc3066d4e27fa2f0ed0c8a2f668f26a43b527a1
Submitter: Zuul v3 CI (<email address hidden>)
Branch: master

commit afc3066d4e27fa2f0ed0c8a2f668f26a43b527a1
Author: arvindvis <email address hidden>
Date: Tue Jan 8 11:58:26 2019 -0800

Disable log level checks for flows

The flow messages are sent at LOG_INFO by default.
If the configured log level is anything more flow
messages will get dropped. Default configured log
level is SYS_NOTICE. For flow messages to be written
to the syslog, the configured log level has to be
SYS_INFO; but this can cause a huge churn. By
disabling this check only for flow messages, they
will be logged as long as the destination is set as
Syslog.

Change-Id: Ice7b67feeb413620bcc765056835a4221ae91302
Partial-bug: #1811001
Partial-jira-bug: #CBS-7