Modify PasswordEntryEditor layout to remove warnings

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

 <?xml version="1.0" encoding="utf-8"?>
 <!-- Copyright 2016 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. -->
 
 <ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:fillViewport="true" >
 
@@ skipping 60 matching lines @@
             android:layout_height="wrap_content"
             android:orientation="horizontal">
             
             <TextView
                 android:id="@+id/password_entry_editor_name"
                 android:textColor="@color/default_text_color"
                 android:layout_width="fill_parent"
                 android:layout_height="wrap_content"
                 android:layout_marginTop="10dp"
                 android:layout_marginStart="15dp"
-                android:textAppearance="?android:attr/textAppearanceMedium"
-                android:contentDescription="@string/password_entry_editor_copy_stored_username" />
+                android:textAppearance="?android:attr/textAppearanceMedium" />
             
             <View
                 android:layout_width="0dp"
                 android:layout_height="0dp"
                 android:layout_weight="1" />
         
             <ImageButton
                 style="?android:attr/buttonStyleSmall"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:layout_gravity="end"
                 android:layout_marginTop="10dp"
                 android:layout_marginEnd="15dp"
-                android:src="@drawable/ic_content_copy" />
+                android:src="@drawable/ic_content_copy"
+                android:contentDescription="@string/password_entry_editor_copy_stored_username" />
         
         </LinearLayout>
         
         <TextView
             android:text="@string/password_entry_editor_password"
             android:textColor="@color/google_blue_700"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginTop="5dp"
             android:layout_marginStart="15dp"
@@ skipping 37 matching lines @@
                 android:layout_marginTop="10dp"
                 android:layout_marginEnd="15dp"
                 android:src="@drawable/ic_content_copy"
                 android:contentDescription="@string/password_entry_editor_copy_stored_password" />
         
         </LinearLayout>
 
     </LinearLayout>
 
 </ScrollView>