Move ls-monitor ot /usr/sbin

:Release Notes:
Move ls-monitor binary to /usr/sbin

:Detailed Notes
Currently, it is safe to move ls-monitor from /usr/bin to /usr/sbin,
because it's used only by name. This will enhance the security.

:Testing Performed:
Tested on the device

:QA Notes:

:Issues Addressed:
[GF-42258] LS2: Move ls-monitor to /usr/sbin

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

Change-Id: I753ed317e2fb61ef572eb29690b757c591f318c5
Reviewed-on: https://g2g.palm.com/3649
Reviewed-by: Build Verification
Reviewed-by: Anatolii Sakhnik <anatolii.sakhnik@lge.com>
Reviewed-by: Alexandr Smoktal <alexandr.smoktal@lge.com>
Tested-by: Alexandr Smoktal <alexandr.smoktal@lge.com>