Add icon to the Data Saver main menu footer and update to spec

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

Index: chrome/android/java/res/layout/data_reduction_main_menu_footer.xml
diff --git a/chrome/android/java/res/layout/data_reduction_main_menu_footer.xml b/chrome/android/java/res/layout/data_reduction_main_menu_footer.xml
index 15cc470b4b5ee3bee2044db603df5a40687abded..d8e9398d2c3edda8f7b7c49836438d06a64b16d1 100644
--- a/chrome/android/java/res/layout/data_reduction_main_menu_footer.xml
+++ b/chrome/android/java/res/layout/data_reduction_main_menu_footer.xml
@@ -9,24 +9,51 @@
     android:id="@+id/data_reduction_footer"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-    android:layout_gravity="start"
-    android:paddingTop="12dp"
-    android:paddingBottom="12dp"
     android:orientation="vertical"
-    style="@style/AppMenuItem" >
+    android:background="#EDFAFAFA" >
 
-    <TextView
-        android:id="@+id/menu_item_text"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="@string/data_reduction_title"
-        android:textAppearance="?android:attr/textAppearanceLargePopupMenu" />
+    <View style="@style/Divider" />
 
-    <TextView
-        android:id="@+id/menu_item_summary"
-        android:layout_width="wrap_content"
+    <FrameLayout
+        android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:textSize="14sp"
-        android:textColor="@color/descriptive_text_color" />
+        android:layout_gravity="start"
+        android:layout_marginTop="@dimen/divider_height"
+        android:paddingTop="12dp"
+        android:paddingBottom="12dp"
+        android:orientation="horizontal"
+        style="@style/AppMenuItem" >
+
+        <ImageView
+            android:id="@+id/chart_icon"
+            android:src="@+drawable/data_reduction_main_menu_icon"
+            android:layout_width="@dimen/data_reduction_main_menu_icon_width"
+            android:layout_height="match_parent"
+            android:layout_gravity="center_vertical"
+            android:contentDescription="@null" />
+
+        <LinearLayout
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="@dimen/data_reduction_main_menu_icon_width"
+            android:orientation="vertical"
+            android:paddingStart="16dp" >
+
+            <TextView
+                android:id="@+id/menu_item_text"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:textSize="14sp"
+                android:textAppearance="@style/RobotoMediumStyle" />
+
+            <TextView
+                android:id="@+id/menu_item_summary"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:textSize="14sp"
+                android:textColor="@color/descriptive_text_color" />
+        </LinearLayout>
+
+    </FrameLayout>
 
 </org.chromium.chrome.browser.preferences.datareduction.DataReductionMainMenuFooter>