Adding smarter resizing logic for the context menu on orientation changes

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

 <?xml version="1.0" encoding="utf-8"?>
 <!-- Copyright 2017 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. -->
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/content_layer"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:minWidth="280dp"
@@ skipping 36 matching lines @@
             android:visibility="gone"/>
     </LinearLayout>
     <View
         android:id="@+id/context_divider"
         android:layout_width="match_parent"
         android:layout_height="1dp"
         android:background="#1e000000"/>
     <ListView
         android:id="@+id/selectable_items"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content"
+        android:layout_height="0dp"
+        android:layout_weight="1"
         android:paddingTop="8dp"
         android:paddingBottom="8dp"
         android:dividerHeight="0dp"
         android:divider="@null"/>
 </LinearLayout>