Merge "Add @IntDef for backup transport flags" into sc-dev

package android.app.backup;

import android.annotation.IntDef;

import android.annotation.Nullable;

import android.app.IBackupAgent;

import android.app.QueuedWork;

import java.io.File;

import java.io.FileOutputStream;

import java.io.IOException;

import java.lang.annotation.Retention;

import java.lang.annotation.RetentionPolicy;

import java.util.Collections;

import java.util.HashSet;

import java.util.LinkedList;

     */

    public static final int FLAG_FAKE_CLIENT_SIDE_ENCRYPTION_ENABLED = 1 << 31;

    /** @hide */

    @Retention(RetentionPolicy.SOURCE)

    @IntDef(flag = true, value = {

            FLAG_CLIENT_SIDE_ENCRYPTION_ENABLED,

            FLAG_DEVICE_TO_DEVICE_TRANSFER,

            FLAG_FAKE_CLIENT_SIDE_ENCRYPTION_ENABLED

    })

    public @interface BackupTransportFlags {}

    Handler mHandler = null;

    @Nullable private UserHandle mUser;

import android.annotation.Nullable;

import android.annotation.SystemApi;

import android.app.backup.BackupAgent.BackupTransportFlags;

import android.os.Parcel;

import android.os.Parcelable;

     * Properties of the {@link BackupTransport} transport that was used to obtain the data in

     * this restore set.

     */

    @BackupTransportFlags

    public final int backupTransportFlags;

    /**

     *                             flag values.

     */

    public RestoreSet(@Nullable String name, @Nullable String device, long token,

            int backupTransportFlags) {

            @BackupTransportFlags int backupTransportFlags) {

        this.name = name;

        this.device = device;

        this.token = token;