When the locale changes, flush the all apps list.

Bug: 3032131
Change-Id: I47659a459044fdace0a3480d216b168c18f2de37

src/com/android/launcher2/LauncherApplication.java

@@ -52,6 +52,7 @@ public class LauncherApplication extends Application {
         filter = new IntentFilter();
         filter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE);
         filter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE);
+        filter.addAction(Intent.ACTION_LOCALE_CHANGED);
         registerReceiver(mModel, filter);
 
         // Register for changes to the favorites