Added a debug info UI for Blimp

blimp/client/app/android/java/res/layout/blimp_main.xml

 <?xml version="1.0" encoding="utf-8"?>
 <!-- Copyright 2015 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. -->
 
 <merge xmlns:android="http://schemas.android.com/apk/res/android">
     <RelativeLayout
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:orientation="vertical">
@@ skipping 43 matching lines @@
                 android:background="@null"
                 android:src="@drawable/btn_menu" />
         </org.chromium.blimp.toolbar.Toolbar>
         
         <!-- Content Area -->
         <org.chromium.blimp.BlimpView
             android:id="@+id/renderer"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             android:layout_below="@+id/toolbar"/>
+
+        <include android:id="@+id/debug_stats"
+            layout="@layout/debug_stats_overlay"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_alignParentBottom="true"
+            android:visibility="invisible" />
+
         <org.chromium.blimp.input.WebInputBox
-                android:id="@+id/editText"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:background="@drawable/web_input_background"
-                android:layout_alignParentBottom="true"
-                android:layout_marginTop="45dp"
-                android:padding="10dp"
-                android:paddingTop="16dp"
-                android:inputType="text|textWebEditText"
-                android:visibility="gone"/>
+            android:id="@+id/editText"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:background="@drawable/web_input_background"
+            android:layout_alignParentBottom="true"
+            android:layout_marginTop="45dp"
+            android:padding="10dp"
+            android:paddingTop="16dp"
+            android:inputType="text|textWebEditText"
+            android:visibility="gone"/>
 
     </RelativeLayout>
 </merge>