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
Bluetooth: GAP: Reset Alias name during virtual unplug

As per this fix Alias name get resetted when hid virtual
unplug initiated from HID device.

Change-Id: Idb1cba447072fd70c21cfecef8776b2baaf730bc
CRs-Fixed: 754689
Bluetooth: Refresh UI after checkbox is Unchecked.

 - Refresh list of auto-connectible profiles when
   Checkbox is unchecked in disconnected state.

Change-Id: Iddca04cbb06262556ea7decb39279df26e358eb6
CRs-Fixed: 758480