Bluetooth-OPP: Avoid displaying two pop-ups in Tranfer History

This change will ensure that if context menu is created then no
need to execute onclick keyevent automatically. Otherwise, if user
selects options from context menu crash is observed in Bluetooth
app.

CRs-Fixed: 611782
Change-Id: I8328f87f9c4bc007cd46a5567268621499e35343