Use standard names for search / voice icon meta-data

These shouldn't be renamed to launcher3.*, since they are used
to get icons from external search / voice apps.

Change-Id: Iae10b9c19771133579a8f6f24ce9c0efbae82688
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 0486b00..a5a90d2 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -179,11 +179,11 @@
     // Type: parcelable
     private static final String RUNTIME_STATE_PENDING_ADD_WIDGET_INFO = "launcher.add_widget_info";
 
-    private static final String TOOLBAR_ICON_METADATA_NAME = "com.android.launcher3.toolbar_icon";
+    private static final String TOOLBAR_ICON_METADATA_NAME = "com.android.launcher.toolbar_icon";
     private static final String TOOLBAR_SEARCH_ICON_METADATA_NAME =
-            "com.android.launcher3.toolbar_search_icon";
+            "com.android.launcher.toolbar_search_icon";
     private static final String TOOLBAR_VOICE_SEARCH_ICON_METADATA_NAME =
-            "com.android.launcher3.toolbar_voice_search_icon";
+            "com.android.launcher.toolbar_voice_search_icon";
 
     /** The different states that Launcher can be in. */
     private enum State { NONE, WORKSPACE, APPS_CUSTOMIZE, APPS_CUSTOMIZE_SPRING_LOADED };