Compare whole subscription token

:Release Notes:
Compare whole subscription token instead of first 50 characters

:Detailed Notes:

:Testing Performed:
Internal unit tests were passed successfully. Test were run with memory
errors detection. Starfish image was build and run.

:QA Notes:

:Issues Addressed:
[GF-13831] LSSubscriptionProcess/LSSubscriptionAdd failure

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

Change-Id: I693507f6858b6792d1cc894e53855f401c0d5a01
Reviewed-on: https://g2g.palm.com/3147
Reviewed-by: Build Verification
Reviewed-by: Alekseyev Oleksandr <alekseyev.oleksandr@lge.com>
Tested-by: Alekseyev Oleksandr <alekseyev.oleksandr@lge.com>
Reviewed-by: Keith Derrick <keith.derrick@lge.com>
Reviewed-by: Anatolii Sakhnik <anatolii.sakhnik@lge.com>