Fix graph labels on Data Saver settings page for RTL

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

 <?xml version="1.0" encoding="utf-8"?>
 <!-- Copyright 2015 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. -->
 
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/data_reduction_stats_container"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
@@ skipping 66 matching lines @@
             android:layout_width="wrap_content"
             android:layout_marginTop="0dp"
             android:includeFontPadding="false"
             android:textColor="@color/light_active_color"
             android:textSize="50sp" />
 
     </LinearLayout>
 
     <include layout="@layout/data_usage_chart" />
 
-    <LinearLayout
+    <FrameLayout
         android:layout_width="match_parent"
         android:layout_height="wrap_content" >
 
         <TextView
             android:id="@+id/data_reduction_start_date"
-            android:layout_width="0dp"
+            android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:layout_weight="1"
             android:textAppearance="@style/PreferenceSummary"
             android:textSize="14sp" />
 
         <TextView
             android:id="@+id/data_reduction_end_date"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:textAppearance="@style/PreferenceSummary"
             android:textSize="14sp" />
 
-    </LinearLayout>
+    </FrameLayout>
 
     <TextView
         android:id="@+id/data_reduction_proxy_unreachable"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_marginBottom="20dp"
         android:layout_marginTop="20dp"
         android:drawableStart="@drawable/exclamation_triangle"
         android:drawablePadding="6dp"
         android:text="@string/data_reduction_proxy_unreachable_warn"
         android:textColor="?android:attr/textColorPrimary"
         android:textSize="14sp" />
         
     <include layout="@layout/data_usage_breakdown" />
 
 </LinearLayout>