[subresource_filter] Add a subtitle for Android Page Info

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

 <?xml version="1.0" encoding="utf-8"?>
 <!-- Copyright 2014 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. -->
 
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<RelativeLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:chrome="http://schemas.android.com/apk/res-auto"
     android:id="@+id/page_info_permission_row"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:paddingTop="12dp" >
 
     <ImageView
         android:id="@+id/page_info_permission_icon"
         android:layout_width="@dimen/page_info_popup_permission_icon_size"
         android:layout_height="@dimen/page_info_popup_permission_icon_size"
         android:layout_marginEnd="16dp"
         android:contentDescription="@null" />
 
     <TextView
         android:id="@+id/page_info_permission_status"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_toEndOf="@id/page_info_permission_icon"
         android:textColor="@color/page_info_popup_text"
         android:textSize="14sp" />
 
-    <TextView
+    <org.chromium.ui.widget.TextViewWithLeading
         android:id="@+id/page_info_permission_unavailable_message"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_below="@id/page_info_permission_status"
         android:layout_toEndOf="@id/page_info_permission_icon"
-        android:lineSpacingExtra="6dp"
         android:textColor="@color/page_info_popup_text_link"
         android:textSize="14sp"
-        android:visibility="gone" />
+        android:visibility="gone"
+        chrome:leading="20dp" />
+
+    <org.chromium.ui.widget.TextViewWithLeading
+        android:id="@+id/page_info_permission_subtitle"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_below="@id/page_info_permission_status"
+        android:layout_toEndOf="@id/page_info_permission_icon"
+        android:textSize="14sp"
+        android:textColor="@color/secondary_text_default_material_light"
+        android:visibility="gone"
+        chrome:leading="20dp" />
 </RelativeLayout>