Add Icon at the start of the first row for all contextualcards

- set Icon as a title item rather than an end item in slice builders
- call showTitleItems in renderer

Test: robotest
Bug: 119639527
Change-Id: I043173968ceb3d34e38c2e43ad824b923e647d47

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

@@ -132,6 +132,7 @@ public class SliceContextualCardRenderer implements ContextualCardRenderer,
         cardHolder.sliceView.setOnSliceActionListener(this);
 
         // Customize slice view for Settings
+        cardHolder.sliceView.showTitleItems(true);
         if (card.isLargeCard()) {
             cardHolder.sliceView.showHeaderDivider(true);
             cardHolder.sliceView.showActionDividers(true);