webos-image: nodejs-module-webos-pmlog=16

:Release Notes:
Fix debug logging for nodejs pmlog plugin

:Detailed Notes:
API implementation is fixed to call PmLogString API with correct
parameters for debug level.

submissions/15..submissions/16
d63e2ca Fix debug logging for nodejs pmlog plugin

:Testing Performed:
Compiled and tested locally

:QA Notes:

:Issues Addressed:
[GF-51790] nodejs pmlog plugin does not log debug messages
[GF-51961] CCC: nodejs-module-webos-pmlog=16

Open-webOS-DCO-1.0-Signed-off-by: Gayathri Srinivasan <gayathri.srinivasan@lge.com>

Change-Id: I2c166f0daacf3dc6b7c3b77d7da454b0bbfa4f1a
Reviewed-on: https://g2g.palm.com/3961
Reviewed-by: DCO Verification
Build: Gayathri Srinivasan <gayathri.srinivasan@lge.com>
Reviewed-by: Gayathri Srinivasan <gayathri.srinivasan@lge.com>
Tested-by: Gayathri Srinivasan <gayathri.srinivasan@lge.com>
Reviewed-by: Martin Jansa <Martin.Jansa@lge.com>
Reviewed-by: Build Verification
Reviewed-by: Susan Montooth <susan.montooth@lge.com>