Fix for DB8 tests compilation problem

:Release Notes:
Fix DB8 compilation for debug mode.

:Detailed Notes:
Fix DB8 compilation problem for debug mode.

:Testing Performed:
Compilation.

:QA Notes:

:Issues Addressed:
[BHV-3244] Fix time calculation in performance tests.

Open-webOS-DCO-1.0-Signed-off-by: Oleg Yablokov <oleg.yablokov@lge.com>

Change-Id: Iee50b7cb65d6e79cfd75ae3a6dbdc59b33993d0f
Reviewed-on: https://g2g.palm.com/5309
Reviewed-by: DCO Verification
Tested-by: Oleg Yablokov <oleg.yablokov@lge.com>
Reviewed-by: Igor Kuksyuk <igor.kuksiuk@lge.com>
Reviewed-by: Nikolay Orliuk <nikolay.orliuk@lge.com>
Tested-by: Nikolay Orliuk <nikolay.orliuk@lge.com>
Reviewed-by: Oleg Yablokov <oleg.yablokov@lge.com>