webos-image: pmloglib=51

:Release Notes:
Add new pmlog context for 3rd party app developers

:Detailed Notes:
submissions/50..submissions/51
febcf88 Add new pmlog context for 3rd party app developers

:Testing Performed:
Tested on the device

:QA Notes:

:Issues Addressed:
[ANG-845] SDL needs PmLog context for 3rd party app developer
[ANG-1214] CCC: pmloglib=51

Open-webOS-DCO-1.0-Signed-off-by: Gayathri Srinivasan <gayathri.srinivasan@lge.com>
Change-Id: I798bd1af25eea09267c0cb817f93f0336a3f7fd1
Reviewed-on: https://g2g.palm.com/4590
Reviewed-by: DCO Verification
Reviewed-by: Martin Jansa <Martin.Jansa@lge.com>
Reviewed-by: Gayathri Srinivasan <gayathri.srinivasan@lge.com>
Tested-by: Gayathri Srinivasan <gayathri.srinivasan@lge.com>
Reviewed-by: Susan Montooth <susan.montooth@lge.com>