Add pushed state for aggregation suggestions and make them focusable
for keyboard

Bug:4196022
Change-Id: I08d3bf4518747ba7d4f07cc1a0dfa521b99c34b2
diff --git a/res/layout/aggregation_suggestions_item.xml b/res/layout/aggregation_suggestions_item.xml
index f2477cb..9ed1bf3 100644
--- a/res/layout/aggregation_suggestions_item.xml
+++ b/res/layout/aggregation_suggestions_item.xml
@@ -24,6 +24,8 @@
     android:orientation="horizontal"
     android:paddingLeft="5dip"
     android:paddingRight="15dip"
+    android:background="?android:attr/selectableItemBackground"
+    android:focusable="true"
 >
 
     <ImageView