Fix to encrypt password print in debug logs
Fix to encrypt password print in debug logs

In the case of OpenStack VIM registration, tacker/event_alarm.py
prints request details along with the password of the user in
tacker debug logs.
This patch encrypts sensitive information such as passwords in
log messages.

Change-Id: Iebcd726b081ebfa33332dbfae132638600b5cc87
Closes-Bug: #1903955

openstack/tacker,openstack/tacker,stackforge/tacker,stackforge/tacker,openstack/tacker