Prevent wifi icon from disappearing

Made changes to WifiSettings that customizes
the preference icon so that the icon is never
null. This greatly reduces jittering.

Bug: 29979747
Change-Id: I3d2767310513389c09a37e34674a304278f4d0de
diff --git a/src/com/android/settings/wifi/LongPressAccessPointPreference.java b/src/com/android/settings/wifi/LongPressAccessPointPreference.java
index 46746cb..79f29ef 100644
--- a/src/com/android/settings/wifi/LongPressAccessPointPreference.java
+++ b/src/com/android/settings/wifi/LongPressAccessPointPreference.java
@@ -17,21 +17,8 @@
 
 import android.app.Fragment;
 import android.content.Context;
-import android.content.pm.PackageManager;
-import android.graphics.drawable.Drawable;
-import android.graphics.drawable.StateListDrawable;
-import android.net.wifi.WifiConfiguration;
-import android.os.Looper;
-import android.os.UserHandle;
-import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceViewHolder;
-import android.text.TextUtils;
 import android.util.AttributeSet;
-import android.util.SparseArray;
-import android.view.View;
-import android.widget.TextView;
-
-import com.android.settings.R;
 import com.android.settingslib.wifi.AccessPoint;
 import com.android.settingslib.wifi.AccessPointPreference;
 
@@ -51,6 +38,12 @@
         mFragment = fragment;
     }
 
+    public LongPressAccessPointPreference(AccessPoint accessPoint, Context context,
+            UserBadgeCache cache, boolean forSavedNetworks, int iconResId, Fragment fragment) {
+        super(accessPoint, context, cache, iconResId, forSavedNetworks);
+        mFragment = fragment;
+    }
+
     @Override
     public void onBindViewHolder(final PreferenceViewHolder view) {
         super.onBindViewHolder(view);