Adjust wallpaper picking background and info panel padding

Bug: 179127651
Test: Manual & Build pass
Change-Id: I4124b272c0fb4aa05536e8c4c326916784e4170e
diff --git a/res/layout/theme_info_view.xml b/res/layout/theme_info_view.xml
index f228668..bae126c 100644
--- a/res/layout/theme_info_view.xml
+++ b/res/layout/theme_info_view.xml
@@ -20,9 +20,7 @@
     android:layout_height="wrap_content"
     android:gravity="center_horizontal"
     android:orientation="vertical"
-    android:paddingHorizontal="@dimen/wallpaper_info_pane_horizontal_padding"
-    android:paddingTop="@dimen/wallpaper_info_pane_top_padding"
-    android:paddingBottom="@dimen/wallpaper_info_pane_bottom_padding"
+    android:padding="@dimen/wallpaper_info_pane_padding"
     android:theme="@style/WallpaperPicker.BottomPaneStyle">
 
     <TextView
diff --git a/res/values/styles.xml b/res/values/styles.xml
index e18cff7..1ed2970 100644
--- a/res/values/styles.xml
+++ b/res/values/styles.xml
@@ -50,7 +50,7 @@
         <item name="itemTextAppearanceActive">@style/BottomNavTextAppearanceActive</item>
         <item name="itemTextAppearanceInactive">@style/BottomNavTextAppearance</item>
         <item name="itemBackground">?android:attr/selectableItemBackgroundBorderless</item>
-        <item name="android:background">@color/bottom_bar_background_color</item>
+        <item name="android:background">?android:colorBackground</item>
     </style>
 
     <style name="BottomNavTextAppearance" parent="TitleTextAppearance">