Improve api samples for os-instance_usage_audit_log
and fix a parameter.
Change-Id: I8436a6ab0610e41d8c6c95c55a263fdfbbf58476
Implements: blueprint api-ref-in-rst
This patch move the all v2.1 api sample tests under
'functional/api_sample_tests'. Also move sample files under
'doc/api-samples'.
Co-Authored-By: Ed Leafe <ed@leafe.com>
Co-Authored-By: Alex Xu <hejie.xu@intel.com>
Partial-Bug: #1462901
Change-Id: I2b924f2ad7687a23a018a9b658e8acd9e04d7963