[Media ML] Remove using android.os.HandlerExecutor

/*

 * Copyright 2020 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.server.media;

import android.annotation.NonNull;

import android.os.Handler;

import java.util.Objects;

import java.util.concurrent.Executor;

import java.util.concurrent.RejectedExecutionException;

/**

 * An adapter {@link Executor} that posts all executed tasks onto the given

 * {@link Handler}.

 *

 * @hide

 */

public class HandlerExecutor implements Executor {

    private final Handler mHandler;

    public HandlerExecutor(@NonNull Handler handler) {

        mHandler = Objects.requireNonNull(handler);

    }

    @Override

    public void execute(Runnable command) {

        if (!mHandler.post(command)) {

            throw new RejectedExecutionException(mHandler + " is shutting down");

        }

    }

}

import android.media.Session2CommandGroup;

import android.media.Session2Token;

import android.os.Handler;

import android.os.HandlerExecutor;

import android.os.Looper;

import android.os.ResultReceiver;

import android.os.UserHandle;