Add performance test

:Release Notes:
Add lS2 performance test

:Detailed Notes:
Use "make performance" to run test on developer's machine
Use "ls-peformance" to run test on the target

:Testing Performed:
unit tests

:QA Notes:

:Issues Addressed:
[BHV-4624] Implement a performance benchmark tool for luna-service2

Open-webOS-DCO-1.0-Signed-off-by: Alekseyev Oleksandr<alekseyev.oleksandr@lge.com>

Change-Id: I5faf3e4de471851c736a9433e0690cdd3cdeafa0
Reviewed-on: https://g2g.palm.com/5501
Reviewed-by: DCO Verification
Reviewed-by: Alexandr Smoktal <alexandr.smoktal@lge.com>
Reviewed-by: Alekseyev Oleksandr <alekseyev.oleksandr@lge.com>
Tested-by: Alekseyev Oleksandr <alekseyev.oleksandr@lge.com>