Remove unused ConnectivityAnnotations

/*

 * Copyright (C) 2021 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 android.net;

import android.annotation.IntDef;

import java.lang.annotation.Retention;

import java.lang.annotation.RetentionPolicy;

/**

 * Type annotations for constants used in the connectivity API surface.

 *

 * The annotations are maintained in a separate class so that it can be built as

 * a separate library that other modules can build against, as Typedef should not

 * be exposed as SystemApi.

 *

 * @hide

 */

public final class ConnectivityAnnotations {

    private ConnectivityAnnotations() {}

    @Retention(RetentionPolicy.SOURCE)

    @IntDef(flag = true, value = {

            ConnectivityManager.MULTIPATH_PREFERENCE_HANDOVER,

            ConnectivityManager.MULTIPATH_PREFERENCE_RELIABILITY,

            ConnectivityManager.MULTIPATH_PREFERENCE_PERFORMANCE,

    })

    public @interface MultipathPreference {}

    @Retention(RetentionPolicy.SOURCE)

    @IntDef(flag = false, value = {

            ConnectivityManager.RESTRICT_BACKGROUND_STATUS_DISABLED,

            ConnectivityManager.RESTRICT_BACKGROUND_STATUS_WHITELISTED,

            ConnectivityManager.RESTRICT_BACKGROUND_STATUS_ENABLED,

    })

    public @interface RestrictBackgroundStatus {}

}