Tweak paddings for apps filter in app info screen

Since we enlarge touch target size for settings spinner widget,
we need to tweak paddings of apps filters here.

Test: visual
Bug: 131060416
Change-Id: Ic6cc4f5d480f1fc34fdbecd86f82b324f9e75964
diff --git a/res/layout/apps_filter_spinner.xml b/res/layout/apps_filter_spinner.xml
index 50f0fde..23465b9 100644
--- a/res/layout/apps_filter_spinner.xml
+++ b/res/layout/apps_filter_spinner.xml
@@ -26,8 +26,8 @@
         android:layout_height="wrap_content"
         android:layout_width="wrap_content"
         android:layout_centerHorizontal="true"
-        android:layout_marginTop="24dp"
-        android:layout_marginBottom="16dp"/>
+        android:layout_marginTop="16dp"
+        android:layout_marginBottom="8dp"/>
 
     <ImageView
         android:id="@+id/filter_settings"