Fix PAPI async response
Fix PAPI async response

Previous changes forgot to return the decoded result

Change-Id: I4eb27802eb2672532d856d9b9671ef806374bcd0
Signed-off-by: Wojciech Dec <ce6448a6b6217030554076da1d3c92bbd1cfea3a@cisco.com>

chrisy/vpp,chrisy/vpp,chrisy/vpp,vpp-dev/vpp,FDio/vpp,milanlenco/vpp,FDio/vpp,vpp-dev/vpp,chrisy/vpp,chrisy/vpp,FDio/vpp,milanlenco/vpp,vpp-dev/vpp,vpp-dev/vpp,milanlenco/vpp,chrisy/vpp,milanlenco/vpp,chrisy/vpp,milanlenco/vpp,FDio/vpp,vpp-dev/vpp,FDio/vpp,vpp-dev/vpp,FDio/vpp,FDio/vpp,milanlenco/vpp,chrisy/vpp,FDio/vpp,vpp-dev/vpp