[Android] [RTL] Convert Left/Right attributes to Start/End attributes

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

 <?xml version="1.0" encoding="utf-8"?>
 <!-- Copyright (c) 2013 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.
 -->
 <GridLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/general_layout"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:columnCount="4">
     <CheckBox
         android:id="@+id/top_checkbox_notification"
         android:layout_columnSpan="4"
         android:layout_gravity="fill_horizontal"
         android:textSize="@dimen/autofill_notification_text_size"
         android:visibility="gone"/>
     <LinearLayout
         android:id="@+id/top_notifications"
         android:layout_columnSpan="4"
         android:layout_gravity="fill_horizontal"
         android:orientation="vertical"
         android:visibility="gone"/>
     <TextView
         android:id="@+id/cc_billing_label"
         android:layout_columnSpan="2"
-        android:layout_marginLeft="@dimen/autofill_steady_margin"
+        android:layout_marginStart="@dimen/autofill_steady_margin"
         android:textSize="@dimen/autofill_steady_text_size"
         android:textStyle="bold"/>
     <Space
         android:layout_columnSpan="2"
         android:layout_gravity="fill"/>
     <Spinner
         android:id="@+id/cc_billing_spinner"
         android:layout_columnSpan="4"
         android:layout_gravity="fill_horizontal"
         android:layout_margin="@dimen/autofill_steady_margin"
         android:dropDownVerticalOffset="@dimen/autofill_spinner_offset"
         android:padding="@dimen/autofill_menu_item_padding"/>
     <TextView
         android:id="@+id/cc_label"
         android:layout_columnSpan="2"
-        android:layout_marginLeft="@dimen/autofill_steady_margin"
+        android:layout_marginStart="@dimen/autofill_steady_margin"
         android:textSize="@dimen/autofill_steady_text_size"
         android:textStyle="bold"/>
     <Space
         android:layout_columnSpan="2"
         android:layout_gravity="fill"/>
     <Spinner
         android:id="@+id/cc_spinner"
         android:layout_columnSpan="4"
         android:layout_gravity="fill_horizontal"
         android:layout_margin="@dimen/autofill_steady_margin"
         android:dropDownVerticalOffset="@dimen/autofill_spinner_offset"
         android:padding="@dimen/autofill_menu_item_padding"/>
     <TextView
         android:id="@+id/billing_label"
         android:layout_columnSpan="2"
-        android:layout_marginLeft="@dimen/autofill_steady_margin"
+        android:layout_marginStart="@dimen/autofill_steady_margin"
         android:textSize="@dimen/autofill_steady_text_size"
         android:textStyle="bold"/>
     <Space
         android:layout_columnSpan="2"
         android:layout_gravity="fill"/>
     <Spinner
         android:id="@+id/billing_spinner"
         android:layout_columnSpan="4"
         android:layout_gravity="fill_horizontal"
         android:layout_margin="@dimen/autofill_steady_margin"
         android:dropDownVerticalOffset="@dimen/autofill_spinner_offset"
         android:padding="@dimen/autofill_menu_item_padding"
         android:visibility="gone"/>
     <TextView
         android:id="@+id/shipping_label"
         android:layout_columnSpan="2"
-        android:layout_marginLeft="@dimen/autofill_steady_margin"
+        android:layout_marginStart="@dimen/autofill_steady_margin"
         android:textSize="@dimen/autofill_steady_text_size"
         android:textStyle="bold"/>
     <Space
         android:layout_columnSpan="2"
         android:layout_gravity="fill"/>
     <Spinner
         android:id="@+id/address_spinner"
         android:layout_columnSpan="4"
         android:layout_gravity="fill_horizontal"
         android:layout_margin="@dimen/autofill_steady_margin"
         android:dropDownVerticalOffset="@dimen/autofill_spinner_offset"
         android:padding="@dimen/autofill_menu_item_padding"/>
     <TextView
         android:id="@+id/email_label"
         android:layout_columnSpan="2"
-        android:layout_marginLeft="@dimen/autofill_steady_margin"
+        android:layout_marginStart="@dimen/autofill_steady_margin"
         android:textSize="@dimen/autofill_steady_text_size"
         android:textStyle="bold"/>
     <Space
         android:layout_columnSpan="2"
         android:layout_gravity="fill"/>
     <Spinner
         android:id="@+id/email_spinner"
         android:layout_columnSpan="4"
         android:layout_gravity="fill_horizontal"
         android:layout_margin="@dimen/autofill_steady_margin"
@@ skipping 13 matching lines @@
         android:visibility="gone"/>
     <View
         android:id="@+id/line_bottom"
         android:layout_columnSpan="4"
         android:layout_height="1dp"
         android:background="#D9D9DC"/>
     <Button
         android:id="@+id/terms_info"
         android:layout_columnSpan="4"
         android:background="?android:attr/selectableItemBackground"
-        android:gravity="left"
+        android:gravity="start"
         android:padding="10dp"
         android:text="@string/autofill_terms_of_service"
         android:textSize="@dimen/autofill_notification_text_size"
         android:visibility="gone"/>
 </GridLayout>