Remove handler for searchables changed broadcast.

Bug: 22515084
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 6648b6e..15e43b2 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -4101,7 +4101,7 @@
         return mDeviceProfile.getSearchBarBounds(Utilities.isRtl(getResources()));
     }
 
-    public void bindSearchablesChanged() {
+    public void bindSearchProviderChanged() {
         if (mSearchDropTargetBar == null) {
             return;
         }