Revert "Prevent loss of calls"

This reverts commit a40836da0875b8304a4625c23d05f860ecc11ebf.
This reverts commit 557a6311948bfe224247cfeb5d954464815c1431.
This reverts commit f10a89cc12fe0910d82ca8b638b429330236bbe6.

Open-webOS-DCO-1.0-Signed-off-by: Anatolii Sakhnik <anatolii.sakhnik@lge.com>

Change-Id: I6f715fa0f6a7baf926ac1c7bd5f0c31c0eb9d48d