Add progress and timeout dialogs for getting account management policy

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

Index: chrome/android/java/res/layout/signin_progress_bar_dialog.xml
diff --git a/chrome/android/java/res/layout/signin_progress_bar_dialog.xml b/chrome/android/java/res/layout/signin_progress_bar_dialog.xml
new file mode 100644
index 0000000000000000000000000000000000000000..97d26c82877e57052bd4f9d22c90b870aabaedcb
--- /dev/null
+++ b/chrome/android/java/res/layout/signin_progress_bar_dialog.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright 2017 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="wrap_content"
+    android:gravity="center_vertical">
+
+    <ProgressBar
+        android:layout_width="32dp"
+        android:layout_height="32dp"
+        android:layout_marginTop="16dp"
+        android:layout_marginBottom="16dp"
+        android:layout_marginStart="16dp"
+        android:layout_marginEnd="8dp"
+        android:indeterminate="true"/>
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="16dp"
+        android:layout_marginBottom="16dp"
+        android:layout_marginStart="8dp"
+        android:layout_marginEnd="16dp"
+        android:text="@string/sign_in_getting_account_management_policy"
+        android:textSize="16sp"/>
+</LinearLayout>