Bluetooth: Fix to avoid framework reboot during monkey.

A case where monkey is running & sometimes framework is
disconnected due to unhandled java Exception during the
unbinding of HID device service on unsuccessful unbinding.
Handling java Illegal Argument exception while unbinding
HID device service solves this issue.

Change-Id: I61a5620e756119d25f2a235e67d6404b216f4cbf
CRs-Fixed: 601533