[Android] Change default search engine setting page to full screen

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

Index: chrome/android/java/res/layout/search_engine.xml
diff --git a/chrome/android/java/res/layout/search_engine.xml b/chrome/android/java/res/layout/search_engine.xml
index 6bfdac877b0a9254797dcc147d4cb544d437140f..c447b5e04bb1b19b062edfb0a1e4ba1f3f62a50d 100644
--- a/chrome/android/java/res/layout/search_engine.xml
+++ b/chrome/android/java/res/layout/search_engine.xml
@@ -9,15 +9,13 @@
     android:background="?android:attr/selectableItemBackground"
     android:gravity="center_vertical"
     android:orientation="horizontal"
-    android:paddingTop="6dp"
-    android:paddingBottom="6dp">
+    android:padding="6dp">
 
     <android.widget.RadioButton
         android:id="@+id/radiobutton"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_marginStart="21dp"
-        android:layout_marginEnd="16dp"
+        android:layout_marginEnd="21dp"
         android:clickable="false" />
 
     <LinearLayout
@@ -35,7 +33,6 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginBottom="-12dp"
-            android:layout_marginEnd="21dp"
             android:layout_marginTop="-12dp"
             android:gravity="center_vertical"
             android:minHeight="48dp"