Updating the hotseat background to a solid color with rounded corners

Change-Id: I297920518f925e122f2e9f55a68228b96b42ea27
diff --git a/res/layout-sw720dp/launcher.xml b/res/layout-sw720dp/launcher.xml
index 660d0ed..483fb96 100644
--- a/res/layout-sw720dp/launcher.xml
+++ b/res/layout-sw720dp/launcher.xml
@@ -43,7 +43,11 @@
             launcher:pageIndicator="@id/page_indicator">
         </com.android.launcher3.Workspace>
 
-        <include layout="@layout/gradient_bg" />
+        <com.android.launcher3.views.AllAppsScrim
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:id="@+id/all_apps_scrim"
+            launcher:layout_ignoreInsets="true" />
 
         <!-- DO NOT CHANGE THE ID -->
         <include layout="@layout/hotseat"