Handle drop correctly in BaseIWindow

import android.content.res.Configuration;

import android.graphics.Rect;

import android.hardware.input.InputManager;

import android.os.Bundle;

import android.os.ParcelFileDescriptor;

import android.os.RemoteException;

import android.view.DragEvent;

import android.view.IWindow;

import android.view.IWindowSession;

import android.view.PointerIcon;

import com.android.internal.os.IResultReceiver;

    @Override

    public void dispatchDragEvent(DragEvent event) {

        if (event.getAction() == DragEvent.ACTION_DROP) {

            try {

                mSession.reportDropResult(this, false);

            } catch (RemoteException e) {

            }

        }

    }

    @Override

    public void updatePointerIcon(float x, float y) {

        InputManager.getInstance().setPointerIconShape(PointerIcon.STYLE_NOT_SPECIFIED);

    }

    @Override