Rename the widget suggestion background drawable for outside usage

Bug: 237343464
Test: N/A
Change-Id: If380684dd28312af4897de301e592224b64f920d
diff --git a/res/drawable/widgets_recommendation_background.xml b/res/drawable/widgets_surface_background.xml
similarity index 100%
rename from res/drawable/widgets_recommendation_background.xml
rename to res/drawable/widgets_surface_background.xml
diff --git a/res/layout/widgets_full_sheet_paged_view.xml b/res/layout/widgets_full_sheet_paged_view.xml
index 3635c73..2819b99 100644
--- a/res/layout/widgets_full_sheet_paged_view.xml
+++ b/res/layout/widgets_full_sheet_paged_view.xml
@@ -77,7 +77,7 @@
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:layout_marginTop="8dp"
-            android:background="@drawable/widgets_recommendation_background"
+            android:background="@drawable/widgets_surface_background"
             android:paddingVertical="@dimen/recommended_widgets_table_vertical_padding"
             android:layout_marginHorizontal="@dimen/widget_list_horizontal_margin"
             android:visibility="gone" />
diff --git a/res/layout/widgets_full_sheet_recyclerview.xml b/res/layout/widgets_full_sheet_recyclerview.xml
index b2a3a0d..2291943 100644
--- a/res/layout/widgets_full_sheet_recyclerview.xml
+++ b/res/layout/widgets_full_sheet_recyclerview.xml
@@ -60,7 +60,7 @@
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:layout_marginTop="8dp"
-            android:background="@drawable/widgets_recommendation_background"
+            android:background="@drawable/widgets_surface_background"
             android:paddingVertical="@dimen/recommended_widgets_table_vertical_padding"
             android:visibility="gone" />
     </com.android.launcher3.views.StickyHeaderLayout>