Clean up link preview UI

res/layout/thumbnail_view.xml

@@ -48,6 +48,7 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="center"
-        android:layout="@layout/transfer_controls_stub" />
+        android:layout="@layout/transfer_controls_stub"
+        android:visibility="gone" />
 
 </merge>

src/org/thoughtcrime/securesms/components/TransferControlView.java

@@ -16,7 +16,6 @@ import com.pnikosis.materialishprogress.ProgressWheel;
 import org.greenrobot.eventbus.EventBus;
 import org.greenrobot.eventbus.Subscribe;
 import org.greenrobot.eventbus.ThreadMode;
-import network.loki.messenger.R;
 import org.thoughtcrime.securesms.attachments.Attachment;
 import org.thoughtcrime.securesms.database.AttachmentDatabase;
 import org.thoughtcrime.securesms.events.PartProgressEvent;
@@ -28,6 +27,8 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
+import network.loki.messenger.R;
+
 public class TransferControlView extends FrameLayout {
 
   @Nullable private List<Slide> slides;
@@ -199,7 +200,7 @@ public class TransferControlView extends FrameLayout {
 
     if (view != null) {
       view.setVisibility(VISIBLE);
-      setVisibility(VISIBLE);
+      // setVisibility(VISIBLE);
     } else {
       setVisibility(GONE);
     }