Coverity issues bug fixes

:Release Notes:
Coverity issues bug fixes

:Detailed Notes:
Fixed argument mismatch in LOG_ERROR.
class variable m_complete initialized in
class constructor.

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

:QA Notes:

:Issues Addressed:
[GF-52993] ActivityManager - Coverity issues
Open-webOS-DCO-1.0-Signed-off-by: ashish.sadre <ashish.sadre@lge.com>

Change-Id: I7f3e4bb925c052e4749909f12bf45f552ee7780e
Reviewed-on: https://g2g.palm.com/4049
Reviewed-by: DCO Verification
Reviewed-by: Ashish Sadre <ashish.sadre@lge.com>
Tested-by: Ashish Sadre <ashish.sadre@lge.com>
Reviewed-by: Maksym Sditanov <maxim.sditanov@lge.com>
Tested-by: Maksym Sditanov <maxim.sditanov@lge.com>