Fix voice search

Use BaseUI implementation of onStateChanged. This was regression
brought by navigation bar cleanup code with changed id
'Change-Id: Iecb699a3e5eb848db149705a9142f8f199f02c04'

Change-Id: I10c69b5d168e03ffb3fd9767bd17d5374e167d34
diff --git a/src/com/android/browser/ActivityController.java b/src/com/android/browser/ActivityController.java
index 817857a..d19eaac 100644
--- a/src/com/android/browser/ActivityController.java
+++ b/src/com/android/browser/ActivityController.java
@@ -21,6 +21,10 @@
 
     void handleNewIntent(Intent intent);
 
+    void onStart();
+
+    void onStop();
+
     void onResume();
 
     boolean onMenuOpened(int featureId, Menu menu);