Fix up spam test

:Release Notes:
Spam test use latest features of C++0x11 standard, but
some systems still have old gcc version.

:Detailed Notes:

:Testing Performed:
Compiled and tested localy.

:QA Notes:

:Issues Addressed:
[ANG-1408] Spam test not compilable

Open-webOS-DCO-1.0-Signed-off-by: Maksym Sditanov <maxim.sditanov@lge.com>

Change-Id: Iabe1ac39ba9ba61b32abacd114f32aa8d25194a7
Reviewed-on: https://g2g.palm.com/4660
Reviewed-by: DCO Verification
Tested-by: Maksym Sditanov <maxim.sditanov@lge.com>
Reviewed-by: Igor Kuksyuk <igor.kuksiuk@lge.com>
Reviewed-by: Maksym Sditanov <maxim.sditanov@lge.com>