Merge "Introduce network link quality statistics" into klp-dev

package android.bluetooth;

import android.net.BaseNetworkStateTracker;

import android.os.IBinder;

import android.os.ServiceManager;

import android.os.INetworkManagementService;

 *

 * @hide

 */

public class BluetoothTetheringDataTracker implements NetworkStateTracker {

public class BluetoothTetheringDataTracker extends BaseNetworkStateTracker {

    private static final String NETWORKTYPE = "BLUETOOTH_TETHER";

    private static final String TAG = "BluetoothTethering";

    private static final boolean DBG = true;

    private AtomicBoolean mDefaultRouteSet = new AtomicBoolean(false);

    private final Object mLinkPropertiesLock = new Object();

    private LinkProperties mLinkProperties;

    private LinkCapabilities mLinkCapabilities;

    private final Object mNetworkInfoLock = new Object();

    private NetworkInfo mNetworkInfo;

    private BluetoothPan mBluetoothPan;

    private static String mRevTetheredIface;

    /* For sending events to connectivity service handler */

    private Handler mCsHandler;

    protected Context mContext;

    private static BluetoothTetheringDataTracker sInstance;

    private BtdtHandler mBtdtHandler;

    private AtomicReference<AsyncChannel> mAsyncChannel = new AtomicReference<AsyncChannel>(null);