Asset updates

- Change how default widget previews look (5509429)
- Improve antialiasing in portal assets

Change-Id: I9993aec46a9a9ab8a732b4fc150120c935523f02
diff --git a/res/layout-sw720dp/apps_customize_widget.xml b/res/layout-sw720dp/apps_customize_widget.xml
index 31c3fbe..e707ef7 100644
--- a/res/layout-sw720dp/apps_customize_widget.xml
+++ b/res/layout-sw720dp/apps_customize_widget.xml
@@ -32,8 +32,7 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginBottom="4dp"
-        android:orientation="vertical"
-        android:background="@drawable/widget_info_bg">
+        android:orientation="vertical">
         <!-- The name of the widget. -->
         <TextView xmlns:android="http://schemas.android.com/apk/res/android"
             android:id="@+id/widget_name"
@@ -54,7 +53,7 @@
 
         <!-- The original dimensions of the widget (can't be the same text as above due to different
              style. -->
-        <TextView xmlns:android="http://schemas.android.com/apk/res/android"
+        <TextView
             android:id="@+id/widget_dims"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"