Revert "Expedite the processing of destroying Incall UI after end call"

This reverts commit 76876caffbb40f4929d62459152a785698ac1540.

This change is causing regression in basic call end scenarios.

Change-Id: I97f6ecc92f3fa816874540664c11ecb66cc39338
CRs-Fixed: 1058473
1 file changed