account manager api review changes

import android.accounts.Account;

import android.accounts.AccountManager;

import android.accounts.AuthenticatorDescription;

import android.accounts.OnAccountsUpdatedListener;

import android.accounts.OnAccountsUpdateListener;

import android.content.BroadcastReceiver;

import android.content.ContentResolver;

import android.content.Context;

 * Singleton holder for all parsed {@link ContactsSource} available on the

 * system, typically filled through {@link PackageManager} queries.

 */

public class Sources extends BroadcastReceiver implements OnAccountsUpdatedListener {

public class Sources extends BroadcastReceiver implements OnAccountsUpdateListener {

    private static final String TAG = "Sources";

    private Context mApplicationContext;