Remove an unused file

/*

 * Copyright (C) 2016 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.bluetooth.util;

import java.util.ArrayList;

import java.util.List;

/**

 * Centralized Bluetooth Interoperability workaround utilities and database.

 * This is the Java version. An analagous native version can be found

 * in /system/bt/devices/include/interop_database.h.

 */

public class Interop {

    /**

     * Simple interop entry consisting of a workarond id (see below)

     * and a (partial or complete) Bluetooth device address string

     * to match against.

     */

    private static class Entry {

        public String address;

        public int workaround_id;

        Entry(int workaroundId, String address) {

            this.workaround_id = workaroundId;

            this.address = address;

        }

    }

    /**

     * The actual "database" of interop entries.

     */

    private static List<Entry> sEntries = null;

    /**

     * Workaround ID for deivces which do not accept non-ASCII

     * characters in SMS messages.

     */

    public static final int INTEROP_MAP_ASCIIONLY = 1;

    /**

     * Initializes the interop datbase with the relevant workaround

     * entries.

     * When adding entries, please provide a description for each

     * device as to what problem the workaround addresses.

     */

    private static void lazyInitInteropDatabase() {

        if (sEntries != null) {

            return;

        }

        sEntries = new ArrayList<Entry>();

        /** Mercedes Benz NTG 4.5 does not handle non-ASCII characters in SMS */

        sEntries.add(new Entry(INTEROP_MAP_ASCIIONLY, "00:26:e8"));

    }

    /**

     * Checks wheter a given device identified by |address| is a match

     * for a given workaround identified by |workaroundId|.

     * Return true if the address matches, false otherwise.

     */

    public static boolean matchByAddress(int workaroundId, String address) {

        if (address == null || address.isEmpty()) {

            return false;

        }

        lazyInitInteropDatabase();

        for (Entry entry : sEntries) {

            if (entry.workaround_id == workaroundId && entry.address.startsWith(

                    address.toLowerCase())) {

                return true;

            }

        }

        return false;

    }

}