Merge "Saving correct value of previousBytes to /data/system/cachequota.xml"

import android.os.IBinder;

import android.os.RemoteCallback;

import android.os.RemoteException;

import android.os.StatFs;

import android.os.UserHandle;

import android.os.UserManager;

import android.text.format.DateUtils;

        try {

            fileStream = mPreviousValuesFile.startWrite();

            TypedXmlSerializer out = Xml.resolveSerializer(fileStream);

            saveToXml(out, processedRequests, 0);

            final StatFs stats = new StatFs(Environment.getDataDirectory().getAbsolutePath());

            saveToXml(out, processedRequests, stats.getAvailableBytes());

            mPreviousValuesFile.finishWrite(fileStream);

        } catch (Exception e) {

            Slog.e(TAG, "An error occurred while writing the cache quota file.", e);