Restore SignalTileView in CellularTile

When CellTileView was removed as it was not longer needed, this tile
lost its SignalTileView. It should have been made to create an instance
of SignalTileView instead of TileView.

Test: manual
Bug: 137614757
Change-Id: I9df951e97d7908c018aafb3d175fa557078aedcf
Merged-In: I9df951e97d7908c018aafb3d175fa557078aedcf
(cherry picked from commit 242b38a8a6e5236daae16f7ee949ffcae9938981)
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tiles/CellularTile.java b/packages/SystemUI/src/com/android/systemui/qs/tiles/CellularTile.java
index 20069ea..4de42cc 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tiles/CellularTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/CellularTile.java
@@ -40,8 +40,10 @@
 import com.android.systemui.R;
 import com.android.systemui.plugins.ActivityStarter;
 import com.android.systemui.plugins.qs.DetailAdapter;
+import com.android.systemui.plugins.qs.QSIconView;
 import com.android.systemui.plugins.qs.QSTile.SignalState;
 import com.android.systemui.qs.QSHost;
+import com.android.systemui.qs.SignalTileView;
 import com.android.systemui.qs.tileimpl.QSTileImpl;
 import com.android.systemui.statusbar.phone.SystemUIDialog;
 import com.android.systemui.statusbar.policy.NetworkController;
@@ -78,6 +80,11 @@
     }
 
     @Override
+    public QSIconView createTileView(Context context) {
+        return new SignalTileView(context);
+    }
+
+    @Override
     public DetailAdapter getDetailAdapter() {
         return mDetailAdapter;
     }