Make EXTRA_SHOW_MENU visible to Settings so StorageSettings can use it

Bug: 28197210
Change-Id: I798a891b1de9777f652a46c1d938e23c0c62f783
diff --git a/packages/SettingsLib/src/com/android/settingslib/drawer/SettingsDrawerActivity.java b/packages/SettingsLib/src/com/android/settingslib/drawer/SettingsDrawerActivity.java
index bcbc6ac..bf75046 100644
--- a/packages/SettingsLib/src/com/android/settingslib/drawer/SettingsDrawerActivity.java
+++ b/packages/SettingsLib/src/com/android/settingslib/drawer/SettingsDrawerActivity.java
@@ -52,7 +52,7 @@
     protected static final boolean DEBUG_TIMING = false;
     private static final String TAG = "SettingsDrawerActivity";
 
-    static final String EXTRA_SHOW_MENU = "show_drawer_menu";
+    public static final String EXTRA_SHOW_MENU = "show_drawer_menu";
 
     private static List<DashboardCategory> sDashboardCategories;
     private static HashMap<Pair<String, String>, Tile> sTileCache;