Fixing wrong message sent on app widget host reset

Change-Id: If5842d4ebbf3fa0ef8596f22788f909748f01ac5
diff --git a/src/com/android/launcher3/LauncherProvider.java b/src/com/android/launcher3/LauncherProvider.java
index 349f094..b30c3f3 100644
--- a/src/com/android/launcher3/LauncherProvider.java
+++ b/src/com/android/launcher3/LauncherProvider.java
@@ -650,7 +650,7 @@
             if (mWidgetHostResetHandler != null) {
                 new AppWidgetHost(mContext, Launcher.APPWIDGET_HOST_ID).deleteHost();
                 mWidgetHostResetHandler.sendEmptyMessage(
-                        ChangeListenerWrapper.MSG_EXTRACTED_COLORS_CHANGED);
+                        ChangeListenerWrapper.MSG_APP_WIDGET_HOST_RESET);
             }
 
             // Set the flag for empty DB