Keyguard: do not allow to delete the system widget if widgets are disabled

We overwrite the default widget with our own one. In this case it is detected
as a normal widget even though it widgets are disabled and starts listening to
longpress events

Whatever check if widgets are disabled. If this is the case do not allow any
longpress events

Change-Id: I471664bac6ca1f8e57efe4904a385904c40486db
Bluetooth: HID: Add support for HID Device Role

This patch adds the HID Device Role support in Bluetooth framework.
Also AIDL and callback related files for HID Device role are added
to provide interface for third party applications to communicate with
HID device Service.

Change-Id: Id03a362b7bcfa2e76056fa0197eaac12ce49b5a2
CRs-Fixed: 573086
Bluetooth: Changes for LPP and extended LE scan

This patch includes implementation of a new Bluetooth
Adapter named QBluetoothAdapter for implementing LE
specific tasks that the default adapter doesnt perform.
This patch also implements Low power proximity and extended
LE scan functionality based on service UUIDs.

CRs-Fixed: 581289
Change-Id: I63e0593f79c8929d4e18cee0472fcb401c8892e7
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
binding of DUN, SAP, HID device & PAN service on unsuccessful
binding. So it never handled. Handing java exception while binding
DUN, SAP, HID device & PAN  services to solve this issue.

Change-Id: Idea710593a3f9496305f636042605303e73e7749
CRs-Fixed: 564709