Revert "Terminate ICS (for BT) after the disconnect tone finishe..."

Revert submission 20919444-btDisconnectTelecom

Reason for revert: Causes regression in Telecom CTS tests (b/266021486, b/266041214)

Reverted changes: /q/submissionid:20919444-btDisconnectTelecom

Change-Id: Ie6c471c4d1f11b11a721ac610a98784b8c854953
1 file changed