[rAc Android dialog] Logo, banner, text, alignment fixes.

chrome/android/java/res/layout/autofill_dialog_content.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.
 -->
 <org.chromium.chrome.browser.autofill.AutofillDialogContentView xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="wrap_content"
     android:layout_height="wrap_content">
     <!--TODO(yusufo):Add accessibility content description for all actionable items-->
     <include layout="@layout/autofill_general_layout"/>
     <include layout="@layout/autofill_editing_layout_email"/>
     <include layout="@layout/autofill_editing_layout_credit_card"/>
     <include layout="@layout/autofill_editing_layout_shipping"/>
     <LinearLayout
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:id="@+id/loading_icon"
         android:visibility="gone"
         android:gravity="center"
         android:orientation="vertical">
+        <TextView
+            android:layout_marginTop="24dp"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/autofill_fetch_message" />
         <ProgressBar
-            android:layout_marginTop="30dp"
+            android:layout_marginTop="24dp"
+            android:layout_marginBottom="32dp"
             android:layout_width="48dp"
             android:layout_height="48dp"
             android:indeterminate="true"/>
-        <TextView
-            android:layout_margin="20dp"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="@string/autofill_fetch_message" />
     </LinearLayout>
-</org.chromium.chrome.browser.autofill.AutofillDialogContentView>
+</org.chromium.chrome.browser.autofill.AutofillDialogContentView>