[Android] Allow setting recently visited search engines as default search engine

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

Index: chrome/android/java/res/layout/search_engine_recent_title.xml
diff --git a/remoting/android/java/res/layout/navigation_list_item.xml b/chrome/android/java/res/layout/search_engine_recent_title.xml
similarity index 54%
copy from remoting/android/java/res/layout/navigation_list_item.xml
copy to chrome/android/java/res/layout/search_engine_recent_title.xml
index 8f1ec7c87fe7f197e40c83bac96d20bd875d52a9..4c21b3619ce31333ad08d834d4100f429e5f392e 100644
--- a/remoting/android/java/res/layout/navigation_list_item.xml
+++ b/chrome/android/java/res/layout/search_engine_recent_title.xml
@@ -1,17 +1,18 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- Copyright 2016 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.
--->
+     found in the LICENSE file. -->
 
 <TextView xmlns:android="http://schemas.android.com/apk/res/android"
-    android:drawablePadding="32dp"
-    android:gravity="center_vertical"
-    android:id="@+id/navigation_item_label"
-    android:layout_height="wrap_content"
+    android:text="@string/search_engine_recently_visited"
     android:layout_width="match_parent"
-    android:paddingStart="16dp"
-    android:paddingEnd="16dp"
+    android:layout_height="wrap_content"
+    android:textColor="@color/light_active_color"
+    android:textStyle="bold"

[gone, 2016/11/01 21:30:29]

I think you're actually trying to find Roboto Medium.  Apply this style instead
of bolding the text manually so that you get something that looks about right on
all Android versions:

style="@style/RobotoMediumStyle"

[ltian, 2016/11/01 22:59:36]

Done.

+    android:textSize="16sp"
+    android:gravity="center_vertical"
+    android:paddingBottom="16dp"
     android:paddingTop="16dp"
-    android:paddingBottom="20dp"
-    style="@style/NavigationTextStyle"/>
+    android:paddingStart="12dp"
+    android:paddingEnd="6dp" 
+    android:clickable="false" />