Move the extract button out of the toolbar.

This CL moves it to the "..." button.

Also, the asset is not removed, as it's going to be used
for notifications for extracting.

Test: Confirmed manually.
Bug: 35052729
Change-Id: I74cb25d3a750714d085a7408efee54639d5d1e43
(cherry picked from commit 446a9836f0e7cfc513a11d93d327f7ff97eac47b)
diff --git a/res/menu/mode_directory.xml b/res/menu/mode_directory.xml
index 2849e01..f79945c 100644
--- a/res/menu/mode_directory.xml
+++ b/res/menu/mode_directory.xml
@@ -41,9 +41,8 @@
 
     <item
         android:id="@+id/menu_extract_to"
-        android:icon="@drawable/ic_menu_extract"
         android:title="@string/menu_extract"
-        android:showAsAction="always"
+        android:showAsAction="never"
         android:visible="false" />
     <item
         android:id="@+id/menu_move_to"