Support playbook-name in payload of PNF S/W upgrade LCM API's request

Support playbook-name in payload of PNF S/W upgrade LCM API's request

Support playbook-name parameter in payload of PNF software upgrade LCM API's request.
So, the DGs can get the playbook name from API's request, not just get it from the config file lcm-dg.properties.

Change-Id: I82a1fda266f4deab04aca336b69b963c73de9668
Issue-ID: SDNC-1012
Signed-off-by: Enbo Wang <wangenbo@huawei.com>