Adjust lookup table mechanism to support new UI of conditional card

Use layout resource id as the return value of getItemViewType
in the ContextualCardsAdapter to make sure the RecyclerView could
work normally, and adjust the lookup table mechanism to meet the
current design as well.

Bug: 113451905, 112578070
Test: visual, robotest
Change-Id: I8fa299e44025a0b71b6990d020e7f0683c153337

src/com/android/settings/homepage/contextualcards/slices/SliceContextualCardRenderer.java

@@ -45,6 +45,7 @@ import java.util.Map;
  */
 public class SliceContextualCardRenderer implements ContextualCardRenderer,
         SliceView.OnSliceActionListener {
+    public static final int VIEW_TYPE = R.layout.homepage_slice_tile;
 
     private static final String TAG = "SliceCardRenderer";
 
@@ -61,8 +62,8 @@ public class SliceContextualCardRenderer implements ContextualCardRenderer,
     }
 
     @Override
-    public int getViewType() {
-        return R.layout.homepage_slice_tile;
+    public int getViewType(boolean isHalfWidth) {
+        return VIEW_TYPE;
     }
 
     @Override