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

chrome/android/java/res/layout/autofill_editing_layout_credit_card.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.
 -->
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:id="@+id/editing_layout_cc_billing"
@@ skipping 24 matching lines @@
             android:layout_gravity="fill_horizontal"/>
         <Space
             android:layout_columnSpan="1"
             android:layout_gravity="fill"/>
         <EditText
             android:layout_height="@dimen/autofill_edit_height"
             android:id="@+id/cvc_code"
             android:layout_margin="@dimen/autofill_edit_margin"
             android:drawablePadding="@dimen/autofill_menu_item_padding"
             android:textSize="@dimen/autofill_edit_text_size"
-            android:layout_gravity="right"/>
+            android:layout_gravity="end"/>
         <EditText
             android:layout_height="@dimen/autofill_edit_height"
             android:id="@+id/cardholder_name"
             android:layout_margin="@dimen/autofill_edit_margin"
             android:textSize="@dimen/autofill_edit_text_size"
             android:layout_gravity="fill_horizontal"
             android:layout_columnSpan="4"/>
     </GridLayout>
     <GridLayout xmlns:android="http://schemas.android.com/apk/res/android"
         android:id="@+id/editing_layout_billing"
@@ skipping 43 matching lines @@
             android:layout_columnSpan="4"/>
         <EditText
             android:layout_height="@dimen/autofill_edit_height"
             android:id="@+id/billing_phone_number"
             android:layout_margin="@dimen/autofill_edit_margin"
             android:textSize="@dimen/autofill_edit_text_size"
             android:layout_gravity="fill_horizontal"
             android:layout_columnSpan="4"/>
     </GridLayout>
 </LinearLayout>