Fix App Notification layout for tabletUI support

- setup correct padding for the App list and its item

See bug: #13140648 Settings needs to support the new Quantum Paper theme

Change-Id: I6c14bb8abced59b636a3230e1daf783130f0f4d3

res/layout/notification_app.xml

@@ -15,7 +15,9 @@
 -->
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
-    android:layout_height="wrap_content" >
+    android:layout_height="wrap_content"
+    android:paddingStart="?android:attr/listPreferredItemPaddingStart"
+    android:paddingEnd="?android:attr/listPreferredItemPaddingEnd">
 
     <RelativeLayout
         android:id="@android:id/button1"
@@ -23,7 +25,7 @@
         android:layout_height="wrap_content"
         android:layout_alignWithParentIfMissing="true"
         android:layout_toStartOf="@+id/settings_divider"
-        android:background="?android:attr/listChoiceBackgroundIndicator" >
+        android:background="?android:attr/listChoiceBackgroundIndicator">
 
         <ImageView
             android:id="@android:id/icon"

res/layout/notification_app_list.xml

@@ -18,13 +18,14 @@
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:orientation="vertical"
-    android:paddingStart="?android:attr/listPreferredItemPaddingStart">
+    android:orientation="vertical">
 
     <ListView
         android:id="@android:id/list"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
+        android:paddingStart="@dimen/settings_side_margin"
+        android:paddingEnd="@dimen/settings_side_margin"
         android:divider="#0000"
         android:dividerHeight="0px"
         android:fastScrollAlwaysVisible="true"