Merge "Use WifiPickerTracker to get connected WifiEntry"

        mConnectedWifiEntryPreferenceCategory.setVisible(true);

        mWifiEntryPreferenceCategory.setVisible(true);

        final WifiEntry connectedEntry = mWifiPickerTracker.getConnectedWifiEntry();

        if (connectedEntry != null) {

            final LongPressWifiEntryPreference connectedPref =

                    mConnectedWifiEntryPreferenceCategory.findPreference(connectedEntry.getKey());

            if (connectedPref == null || connectedPref.getWifiEntry() != connectedEntry) {

                mConnectedWifiEntryPreferenceCategory.removeAll();

                final LongPressWifiEntryPreference pref =

                        createLongPressWifiEntryPreference(connectedEntry);

                pref.setKey(connectedEntry.getKey());

                pref.refresh();

                mConnectedWifiEntryPreferenceCategory.addPreference(pref);

            }

        } else {

            mConnectedWifiEntryPreferenceCategory.removeAll();

        }

        int index = 0;

        cacheRemoveAllPrefs(mWifiEntryPreferenceCategory);

        List<WifiEntry> wifiEntries = mWifiPickerTracker.getWifiEntries();