Removing separate hotseat widget, instead using a QSB acroll all UI.
The QSB is responsible for updating its UI according to various states.

Bug: 109828640
Change-Id: Ic8cbf3d404d5870de0f6b8fe25a332b8d21bae20
diff --git a/res/layout/all_apps.xml b/res/layout/all_apps.xml
index 02d793e..b1e6f2e 100644
--- a/res/layout/all_apps.xml
+++ b/res/layout/all_apps.xml
@@ -26,7 +26,9 @@
     android:focusable="false"
     android:saveEnabled="false" >
 
-    <include layout="@layout/all_apps_rv_layout" />
+    <include
+        layout="@layout/all_apps_rv_layout"
+        android:visibility="gone" />
 
     <include layout="@layout/all_apps_floating_header" />
 
diff --git a/res/layout/hotseat.xml b/res/layout/hotseat.xml
deleted file mode 100644
index 00f0b5f..0000000
--- a/res/layout/hotseat.xml
+++ /dev/null
@@ -1,28 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2011 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-<com.android.launcher3.Hotseat
-    android:theme="@style/HomeScreenElementTheme"
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:launcher="http://schemas.android.com/apk/res-auto">
-
-    <com.android.launcher3.CellLayout
-        android:id="@+id/layout"
-        android:layout_width="wrap_content"
-        android:layout_height="match_parent"
-        android:layout_gravity="center"
-        launcher:containerType="hotseat"
-        android:importantForAccessibility="no" />
-</com.android.launcher3.Hotseat>
diff --git a/res/layout/launcher.xml b/res/layout/launcher.xml
index 304d012..87078b9 100644
--- a/res/layout/launcher.xml
+++ b/res/layout/launcher.xml
@@ -56,22 +56,25 @@
             android:id="@+id/drop_target_bar"
             layout="@layout/drop_target_bar" />
 
-        <include android:id="@+id/scrim_view"
+        <include
+            android:id="@+id/scrim_view"
             layout="@layout/scrim_view" />
 
         <include
             android:id="@+id/apps_view"
             layout="@layout/all_apps"
             android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:visibility="invisible" />
+            android:layout_height="match_parent" />
 
         <!-- DO NOT CHANGE THE ID -->
-        <include
+        <com.android.launcher3.Hotseat
             android:id="@+id/hotseat"
-            layout="@layout/hotseat"
             android:layout_width="match_parent"
-            android:layout_height="match_parent" />
+            android:layout_height="match_parent"
+            android:theme="@style/HomeScreenElementTheme"
+            android:importantForAccessibility="no"
+            launcher:containerType="hotseat" />
+
     </com.android.launcher3.dragndrop.DragLayer>
 
 </com.android.launcher3.LauncherRootView>