Make Archive tests pass locally.

import android.os.ParcelFileDescriptor;

import android.provider.DocumentsContract;

import android.provider.DocumentsContract.Document;

import android.provider.DocumentsProvider;

import android.support.annotation.Nullable;

import android.support.annotation.VisibleForTesting;

import android.system.ErrnoException;

import android.system.Os;

import android.system.OsConstants;

import android.text.TextUtils;

import android.util.Log;

import android.webkit.MimeTypeMap;

import android.system.Os;

import android.system.OsConstants;

import android.system.ErrnoException;

import com.android.internal.util.Preconditions;

import libcore.io.IoUtils;

import com.android.internal.util.Preconditions;

import java.io.Closeable;

import java.io.File;

import java.io.FileNotFoundException;

import java.io.IOException;

import java.io.InputStream;

import java.util.ArrayList;

import java.lang.IllegalArgumentException;

import java.lang.IllegalStateException;

import java.lang.UnsupportedOperationException;

import android.text.TextUtils;

import java.util.Collections;

import java.util.HashMap;

import java.util.Iterator;

import java.util.List;

import java.util.Locale;

import java.util.Map;

import java.util.concurrent.Executors;

import java.util.zip.ZipEntry;

import java.util.zip.ZipFile;

import java.util.zip.ZipInputStream;

/**

 * Provides basic implementation for creating, extracting and accessing

        mExecutor = Executors.newSingleThreadExecutor();

        // Build the tree structure in memory.

        mTree = new HashMap<String, List<ZipEntry>>();

        mTree = new HashMap<>();

        mEntries = new HashMap<String, ZipEntry>();

        mEntries = new HashMap<>();

        ZipEntry entry;

        final List<? extends ZipEntry> entries = Collections.list(mZipFile.entries());

        final Stack<ZipEntry> stack = new Stack<>();

                    stack.push(parentEntry);

                }

                parentList = new ArrayList<ZipEntry>();

                parentList = new ArrayList<>();

                mTree.put(parentPath, parentList);

            }

     * Returns true if the file descriptor is seekable.

     * @param descriptor File descriptor to check.

     */

    @VisibleForTesting

    public static boolean canSeek(ParcelFileDescriptor descriptor) {

        try {

            return Os.lseek(descriptor.getFileDescriptor(), 0,