Add Device and OS Information API

:Release Notes:
com.palm.systemservice/deviceInfo/query
com.palm.systemservice/osInfo/query
were added.

:Detailed Notes:
Two LS2 function for device and os info was added:
com.palm.systemservice/deviceInfo/query and
com.palm.systemservice/osInfo/query.
Now deviceInfo is accessed on the private bus and osInfo at both.

:Testing Performed:
On device and emulator

:QA Notes:

:Issues Addressed:
[GF-42852] Need a way to read nyx OSInfo from web app (luna-service call)

Open-webOS-DCO-1.0-Signed-off-by: Alexandr Smoktal <alexandr.smoktal@lge.com>

Change-Id: Ia5a580bdd298ee9a5bba9e84aa404adbe85df119
Reviewed-on: https://g2g.palm.com/3724
Reviewed-by: Build Verification
Reviewed-by: Keith Derrick <keith.derrick@lge.com>
Tested-by: Keith Derrick <keith.derrick@lge.com>