Snap for 9148142 from c1b3dcc5ac18812026b587f28d23b9217cba59e7 to udc-release

Change-Id: I8b8b6e060e29209cc8ccc588c572faeabcb968a2
diff --git a/src/com/android/quicksearchbox/google/SearchBaseUrlHelper.kt b/src/com/android/quicksearchbox/google/SearchBaseUrlHelper.kt
index d4217c5..b78d49e 100644
--- a/src/com/android/quicksearchbox/google/SearchBaseUrlHelper.kt
+++ b/src/com/android/quicksearchbox/google/SearchBaseUrlHelper.kt
@@ -136,7 +136,7 @@
   }
 
   @Override
-  override fun onSharedPreferenceChanged(pref: SharedPreferences?, key: String) {
+  override fun onSharedPreferenceChanged(pref: SharedPreferences?, key: String?) {
     // Listen for changes only to the SEARCH_BASE_URL preference.
     if (DBG) Log.d(TAG, "Handling changed preference : $key")
     if (SearchSettingsImpl.USE_GOOGLE_COM_PREF.equals(key)) {