🏡 Show correct BottomSheetContent toolbar when contents swapped

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

 <?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. -->
 
 <org.chromium.chrome.browser.widget.BottomSheet
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/bottom_sheet"
     android:layout_width="match_parent"
     android:layout_height="wrap_content" >
 
     <org.chromium.chrome.browser.toolbar.ToolbarControlContainer
         android:id="@+id/control_container"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:minHeight="@dimen/control_container_height" >
         <view
             class="org.chromium.chrome.browser.toolbar.ToolbarControlContainer$ToolbarViewResourceFrameLayout"
             android:id="@+id/toolbar_container"
             android:layout_width="match_parent"
             android:layout_height="wrap_content">
+
             <ImageView
                 android:id="@+id/bottom_toolbar_shadow"
                 android:layout_width="match_parent"
                 android:layout_height="@dimen/toolbar_shadow_height"
                 android:src="@drawable/toolbar_shadow"
                 android:scaleType="fitXY"
                 android:scaleY="-1"
                 android:contentDescription="@null" />
-            <ViewStub
-                android:id="@+id/toolbar_stub"
+
+            <FrameLayout
+                android:id="@+id/toolbar_holder"
                 android:layout_width="match_parent"
                 android:layout_height="@dimen/toolbar_height_no_shadow"

[Theresa, 2017/03/14 16:29:43]

This will change to bottom_control_container_height after the pull handle CL
lands.

-                android:layout_marginTop="@dimen/toolbar_shadow_height" />
+                android:layout_marginTop="@dimen/toolbar_shadow_height" >
+                <ViewStub
+                    android:id="@+id/toolbar_stub"
+                    android:layout_width="match_parent"
+                    android:layout_height="match_parent" />
+            </FrameLayout>
+
             <ViewStub
                 android:id="@+id/find_toolbar_stub"
                 android:inflatedId="@+id/find_toolbar"
                 android:layout_marginTop="@dimen/toolbar_shadow_height"
                 android:layout_width="match_parent"
                 android:layout_height="@dimen/toolbar_height_no_shadow"
                 android:layout="@layout/find_toolbar"
                 android:visibility="gone" />
         </view>
     </org.chromium.chrome.browser.toolbar.ToolbarControlContainer>
@@ skipping 13 matching lines @@
 
     <ImageView
         android:id="@+id/toolbar_shadow"
         android:src="@drawable/toolbar_shadow"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:scaleType="fitXY"
         android:contentDescription="@null" />
 
 </org.chromium.chrome.browser.widget.BottomSheet>