upstart: Switch from cjson to json-c

:Release Notes:
Switch from using cjson (the webOS edition of json-c) to upstream
json-c (v0.11)

:Detailed Notes:

:Testing Performed:
MiniBAT
P2

:QA Notes:

:Issues Addressed:
[BHV-1352] Upgrade JSON-C from v0.9 to v0.11 to fix integer overflow
           problem
[BHV-7148] CCC: libjson=0 upstart=r1 pulseaudio=r34 add json-c=v0.11
           (libjson renamed to json-c)

Open-webOS-DCO-1.0-Signed-off-by: Kyrylo Kropivyanskiy <kyrylo.kropivyanskiy@lge.com>

Change-Id: I4f5db105c690f6c7fa202626ee92a5a2c5d032b2
Reviewed-on: https://g2g.palm.com/5852
Reviewed-by: DCO Verification
Reviewed-by: Andrii Motsok <andrii.motsok@lge.com>
Tested-by: Andrii Motsok <andrii.motsok@lge.com>
Build: Oleg Boguslavsky <oleg.boguslavsky@lge.com>
Reviewed-by: Build Verification
Reviewed-by: Susan Montooth <susan.montooth@lge.com>