Activitymanager logs conversion

:Release Notes:
Convert log messages to the new logging format

:Detailed Notes:
The exisiting logs have been categorized to the right level.
They now log using the new msgid-key-value-format.

:Testing Performed:
Compiled locally and tested on official build.

:QA Notes:

:Issues Addressed:
[GF-43872] Activitymanager does not provide informative msgid and key-value pairs
Open-webOS-DCO-1.0-Signed-off-by: ashish.sadre <ashish.sadre@lge.com>

Change-Id: Ia91f89cfa535999b91588e930e2714afe825ab8c
Reviewed-on: https://g2g.palm.com/3856
Reviewed-by: DCO Verification
Reviewed-by: Ashish Sadre <ashish.sadre@lge.com>
Tested-by: Ashish Sadre <ashish.sadre@lge.com>
Reviewed-by: Premalatha MVS <premalatha.mvs@lge.com>
Reviewed-by: Igor Kuksyuk <igor.kuksiuk@lge.com>
Reviewed-by: Maksym Sditanov <maxim.sditanov@lge.com>
Tested-by: Maksym Sditanov <maxim.sditanov@lge.com>