webos-image: libpbnjson=23

:Release Notes:
Improve JSON Schema validation performance and memory usage.

:Detailed Notes:
libpbnjson: submissions/22..submissions/23
197c50b Improve JSON schema validation performance
957b084 Remove redundant checks after memory allocations

:Testing Performed:
miniBAT

:QA Notes:

:Issues Addressed:
[GF-43049] pbnjson: Remove redundant checks after memory allocations
[GF-42811] pbnjson: Implement more static objects to improve memory
           footprint
[GF-43960] CCC: libpbnjson=23

Open-webOS-DCO-1.0-Signed-off-by: Mykola Kryvonos <mykola.kryvonos@lge.com>

Change-Id: I63e23c97e7975b70518d2062a7df4de7760701e5
Reviewed-on: https://g2g.palm.com/3735
Reviewed-by: Build Verification
Reviewed-by: Mykola Kryvonos <mykola.kryvonos@lge.com>
Tested-by: Mykola Kryvonos <mykola.kryvonos@lge.com>
Build: Mykola Kryvonos <mykola.kryvonos@lge.com>
Reviewed-by: Keith Derrick <keith.derrick@lge.com>
Reviewed-by: Susan Montooth <susan.montooth@lge.com>