Add @IntDef for status of committed rollback.

package android.content.rollback;

import android.annotation.IntDef;

import android.annotation.NonNull;

import android.annotation.RequiresPermission;

import android.annotation.SystemApi;

import android.content.pm.VersionedPackage;

import android.os.RemoteException;

import java.lang.annotation.Retention;

import java.lang.annotation.RetentionPolicy;

import java.util.List;

/**

    public static final String EXTRA_STATUS_MESSAGE =

            "android.content.rollback.extra.STATUS_MESSAGE";

    /**

     * Status result of committing a rollback.

     *

     * @hide

     */

    @IntDef(prefix = "STATUS_", value = {

            STATUS_SUCCESS,

            STATUS_FAILURE,

            STATUS_FAILURE_ROLLBACK_UNAVAILABLE,

            STATUS_FAILURE_INSTALL,

    })

    @Retention(RetentionPolicy.SOURCE)

    public @interface Status {};

    /**

     * The rollback was successfully committed.

     */

     * @param status the RollbackManager.STATUS_* code with the failure.

     * @param message the failure message.

     */

    private void sendFailure(IntentSender statusReceiver, int status, String message) {

    private void sendFailure(IntentSender statusReceiver, @RollbackManager.Status int status,

            String message) {

        Log.e(TAG, message);

        try {

            final Intent fillIn = new Intent();