ignore message failure procedure for monitor

:Release Notes:
Fix issue that happens very rarely when ls-monitor forcibly terminated.
Though this functionality isn't used in production it may interfere with
miscellaneous automated testings.

:Detailed Notes:
- made outstanding messages processing be performed only for initiated
  clients effectively filtering out ls-monitor.

:Testing Performed:
unit/integration tests

:QA Notes:

:Issues Addressed:
[CMB-644] LS2 assert in _LSHandleMessageFailure on "call->type == CALL_TYPE_METHOD_CALL"

Open-webOS-DCO-1.0-Signed-off-by: Nikolay Orliuk <nikolay.orliuk@lge.com>

Change-Id: I82ec3cfa0b0987b8c9a202b976c39154aa6f098c
Reviewed-on: https://g2g.palm.com/6295
Reviewed-by: DCO Verification
Tested-by: Nikolay Orliuk <nikolay.orliuk@lge.com>
Reviewed-by: Nikolay Orliuk <nikolay.orliuk@lge.com>
Reviewed-by: Anatolii Sakhnik <anatolii.sakhnik@lge.com>
Merge branch 'develop'

Open-webOS-DCO-1.0-Signed-off-by: Nikolay Orliuk <nikolay.orliuk@lge.com>