Remove unused interface IInputConnectionCallback

/*

 * Copyright (C) 2008 The Android Open Source Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package com.android.internal.view;

import android.graphics.Rect;

import android.view.KeyEvent;

import android.view.MotionEvent;

import android.view.inputmethod.TextBoxAttribute;

import com.android.internal.view.IInputContext;

import android.os.IBinder;

/**

 * {@hide}

 */

oneway interface IInputMethodCallback {

    void finishedEvent(int seq, boolean handled);

}