Minor accessibility change for app discovery item

Bug: 38345854

Change-Id: Ib200b5a6295eb26650c7f28d0b7823b489c70cda
diff --git a/res/layout/all_apps_discovery_item.xml b/res/layout/all_apps_discovery_item.xml
index 3350530..fb1755c 100644
--- a/res/layout/all_apps_discovery_item.xml
+++ b/res/layout/all_apps_discovery_item.xml
@@ -25,7 +25,9 @@
         android:layout_width="56dp"
         android:layout_height="56dp"
         android:padding="8dp"
-        android:scaleType="fitCenter"/>
+        android:scaleType="fitCenter"
+        android:focusable="false"
+        android:importantForAccessibility="no"/>
 
     <LinearLayout
         android:layout_width="match_parent"