Revert "Use TelecomManager.isInCall instead of TelephonyManager.getCallState" This reverts commit c34796508035266fd5991490bb3a2301be6d0b5f. Reason for revert: breaks tests Bug: 257538981 Change-Id: Idadaf4a48d814d97644abe8c790d12b8912165d2 Fixes: 261505371