This patch for Ansible server can dump the JSON array or object in LCM API
payload to a correct format of string, and the string can be reloaded
to array or object.
Change-Id: Ia5a5844ecaa3869acaeabd695afd41c113e63690
Issue-ID: CCSDK-2144 Signed-off-by: Enbo Wang <wangenbo@huawei.com>