Revert "hal: fix no sound issue in voice call"

This reverts commit 0f7d0a9e9b3f6152f661fb7238665ab564140e3a.

This fix is causing audio loss during emergency call
drop out scenarios.

CRs-Fixed: 1077839
Change-Id: I06ea1b25f32afb54c4562381eba2253fa7f3beeb
1 file changed