Add sorting to the Data Saver site breakdown

chrome/android/java/res/layout/data_usage_breakdown_row.xml

 <?xml version="1.0" encoding="utf-8"?>
 <!-- Copyright 2017 The Chromium Authors. All rights reserved.
      Use of this source code is governed by a BSD-style license that can be
      found in the LICENSE file. -->
 
 <TableRow
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:settings="http://schemas.android.com/apk/res-auto"
     android:id="@+id/site_row"
     android:layout_width="match_parent">
 
     <TextView
         android:id="@+id/site_hostname"
         android:layout_width="0dp"
         android:layout_weight="0"
+        android:layout_gravity="start"
         style="@style/DataUsageBreakdownColumnItem" />
 
     <TextView
         android:id="@+id/site_data_used"
         android:layout_width="wrap_content"
+        android:layout_marginStart="24dp"
         android:gravity="end"
-        android:paddingStart="10dp"
         style="@style/DataUsageBreakdownColumnItem" />
 
     <TextView
         android:id="@+id/site_data_saved"
         android:layout_width="wrap_content"
+        android:layout_marginStart="24dp"
         android:gravity="end"
-        android:paddingStart="24dp"
         style="@style/DataUsageBreakdownColumnItem" />
 </TableRow>