OPP: Don't reopen finished transfer list.

Prevent opening selected file from transfer history
list after it's cleared from notification to avoid crash.

Step by Step procedure:
=======================
1. Pair remote phone with DUT.
2. Receive a file to DUT and accept.
3. Now Drag the notification bar and select history.
4. Long press any file to select.
5. Again drag notification bar and press clear to clear notifications.
6. Press clear file on popup which observed in step 3.

Expected Result:
================
Should not crash Bluetooth.

Actual Result:
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Bluetooth crashing by selecting clear list

Change-Id: Ib5f4d3edbd32af298cfe439389b8e77864cb5462