Allow world-read permissions for LS2 services

:Release Notes:
It should be safe for static LS2 services to be world-readable.

:Detailed Notes:

:Testing Performed:
Studied build logs.

:QA Notes:

:Issues Addressed:
[ANG-12] Fix build script for binary permissions checking to allow read
         permissions for all

Open-webOS-DCO-1.0-Signed-off-by: Anatolii Sakhnik <anatolii.sakhnik@lge.com>

Change-Id: I982ab3b78e660d729e18a460cddaecabec46d600
Reviewed-on: https://g2g.palm.com/4364
Reviewed-by: DCO Verification
Build: Keith Derrick <keith.derrick@lge.com>
Reviewed-by: Martin Jansa <Martin.Jansa@lge.com>
Reviewed-by: Build Verification
Reviewed-by: Keith Derrick <keith.derrick@lge.com>
Tested-by: Keith Derrick <keith.derrick@lge.com>
Reviewed-by: Susan Montooth <susan.montooth@lge.com>