Fix progress and timeout dialog 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
index 97d26c82877e57052bd4f9d22c90b870aabaedcb..5dc9b25ea95cda1561fb97d635b01f0b20a9b380 100644
--- a/chrome/android/java/res/layout/signin_progress_bar_dialog.xml
+++ b/chrome/android/java/res/layout/signin_progress_bar_dialog.xml
@@ -4,26 +4,18 @@
      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">
+    android:gravity="center_vertical"
+    style="@style/AlertDialogContent">
 
     <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:layout_marginStart="16dp"
         android:text="@string/sign_in_getting_account_management_policy"
         android:textSize="16sp"/>
 </LinearLayout>