webos-image: libjson=0 add json-c=v0.11

:Release Notes:
Update libjson to v0.11, which includes the changing of its name to
json-c.

:Detailed Notes:
libjson v0.9 contains an integer overflow bug. Update to the current
version by importing v0.11 recipe from upstream oe-core
WARNING: this wont work in incremental builds (developers need to
delete BUILD-* and rebuild from scratch/sstate) otherwise they will
continue to use libjson provided files.

: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: Ia608939e13b2f1b029c2d5c6ecb94da8079fea42
Reviewed-on: https://g2g.palm.com/5591
Reviewed-by: DCO Verification
Reviewed-by: Martin Jansa <Martin.Jansa@lge.com>
Tested-by: Martin Jansa <Martin.Jansa@lge.com>
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>