DataUse UI strings should be changeable via Finch

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

Index: chrome/android/java/res/layout/data_use_dialog.xml
diff --git a/chrome/android/java/res/layout/data_use_dialog.xml b/chrome/android/java/res/layout/data_use_dialog.xml
index 63662c8d8cd1b870b11632eb63aec45bf5398f76..9c5201f70abe870096601ef1fa18b21f6ba154e8 100644
--- a/chrome/android/java/res/layout/data_use_dialog.xml
+++ b/chrome/android/java/res/layout/data_use_dialog.xml
@@ -10,20 +10,20 @@
     android:paddingBottom="16dp"
     android:paddingStart="16dp"
     android:paddingTop="16dp" >
-    
+
     <TextView
+        android:id="@+id/data_use_message"
         android:layout_height="wrap_content"
         android:layout_width="match_parent"
         android:layout_marginBottom="16dp"
         android:layout_marginStart="8dp"
-        android:text="@string/data_use_tracking_ended_message"
         android:textColor="@color/light_normal_color"
         android:textSize="16sp" />
-    
+
     <TextView
         android:id="@+id/learn_more"
         android:layout_height="wrap_content"
-        android:layout_width="match_parent" 
+        android:layout_width="match_parent"
         android:clickable="true"
         android:layout_marginBottom="16dp"
         android:layout_marginStart="8dp"
@@ -35,8 +35,7 @@
         android:id="@+id/data_use_checkbox"
         android:layout_height="wrap_content"
         android:layout_width="match_parent"
-        android:text="@string/data_use_tracking_ended_checkbox_message"
         android:textColor="@color/light_normal_color"
         android:textSize="16sp" />
 
-</LinearLayout>
+</LinearLayout>