Show the correct pointer when dragging task in Recents.

import android.content.res.Configuration;

import android.graphics.Point;

import android.graphics.Rect;

import android.view.InputDevice;

import android.view.MotionEvent;

import android.view.PointerIcon;

import android.view.ViewConfiguration;

import android.view.ViewDebug;

    @ViewDebug.ExportedProperty(category="recents")

    private boolean mIsDragging;

    private float mDragSlop;

    private int mDeviceId = -1;

    private DropTarget mLastDropTarget;

    private DividerSnapAlgorithm mDividerSnapAlgorithm;

        // Request other drop targets to register themselves

        EventBus.getDefault().send(new DragStartInitializeDropTargetsEvent(event.task,

                event.taskView, this));

        if (mDeviceId != -1) {

            InputDevice.getDevice(mDeviceId).setPointerType(PointerIcon.TYPE_GRABBING);

        }

    }

    public final void onBusEvent(DragEndEvent event) {

        switch (action) {

            case MotionEvent.ACTION_DOWN:

                mDownPos.set((int) ev.getX(), (int) ev.getY());

                mDeviceId = ev.getDeviceId();

                break;

            case MotionEvent.ACTION_MOVE: {

                float evX = ev.getX();

                            !cancelled ? mLastDropTarget : null));

                    break;

                }

                mDeviceId = -1;

            }

        }

    }