Fix doc link in InputDevice.

import android.os.Parcelable;

import android.os.RemoteException;

import android.os.ServiceManager;

import android.util.Log;

/**

 * Describes the capabilities of a particular input device.

     * 

     * A {@link KeyEvent} should be interpreted as a button or key press.

     * 

     * Use {@link #hasKey} to query whether the device supports a particular button or key.

     * Use {@link #getKeyCharacterMap} to query the device's button and key mappings.

     */

    public static final int SOURCE_CLASS_BUTTON = 0x00000001;