Bluetooth: Enable Page and Inquiry Scan.

When Bluetooth Setting is in foreground enable both
Page Scan and Inquiry Scan.
Changes made to make device both in connectable and
discoverable if user is in Bluetooth setting menu.
CRs-Fixed: 753990

Change-Id: I2d72ce3192f6b7fa9eb6beb5a175a3e732dac5a8