Change fio cases to support unified perf results

[LiliDeng]

Based on below changes, to make changes in https://github.com/microsoft/lisa/blob/main/lisa/tools/fio.py and https://github.com/microsoft/lisa/blob/main/microsoft/testsuites/performance/storageperf.py to make fio cases support unified per message

#3753
#3734
#3863