Add vertical and horizontal dividers for large cards of homepage

- Add a new field in ContextualCard to store whether this card is a large one
- Set dividers for large cards in renderer

Fixes: 119528161
Fixes: 119641839
Test: make RunSettingsRoboTests -j ROBOTEST_FILTER=com.android.settings.homepage
Change-Id: I5cb95214789f44ccfd8d9ce2177ca2b84835b7a4

src/com/android/settings/homepage/contextualcards/ContextualCardLoader.java

@@ -97,6 +97,8 @@ public class ContextualCardLoader extends AsyncLoaderCompat<List<ContextualCard>
                     final ContextualCard card = new ContextualCard(cursor);
                     if (card.isCustomCard()) {
                         //TODO(b/114688391): Load and generate custom card,then add into list
+                    } else if (isLargeCard(card)) {
+                        result.add(card.mutate().setIsLargeCard(true).build());
                     } else {
                         result.add(card);
                     }
@@ -195,12 +197,16 @@ public class ContextualCardLoader extends AsyncLoaderCompat<List<ContextualCard>
 
     private int getNumberOfLargeCard(List<ContextualCard> cards) {
         return (int) cards.stream()
-                .filter(card -> card.getSliceUri().equals(WIFI_SLICE_URI)
-                        || card.getSliceUri().equals(BLUETOOTH_DEVICES_SLICE_URI))
+                .filter(card -> isLargeCard(card))
                 .count();
     }
 
+    private boolean isLargeCard(ContextualCard card) {
+        return card.getSliceUri().equals(WIFI_SLICE_URI)
+                || card.getSliceUri().equals(BLUETOOTH_DEVICES_SLICE_URI);
+    }
+
     public interface CardContentLoaderListener {
         void onFinishCardLoading(List<ContextualCard> contextualCards);
     }
-}
+}