Fixed an issue where history would be blank

  Bug: 3125794
  Fixed a bug where switching back and forth between bookmarks
  and history would result in an empty history.

Change-Id: Id721b41e2dd945e970763c09f437a977b8883e00
diff --git a/src/com/android/browser/BrowserHistoryPage.java b/src/com/android/browser/BrowserHistoryPage.java
index 61af0ce..9a57946 100644
--- a/src/com/android/browser/BrowserHistoryPage.java
+++ b/src/com/android/browser/BrowserHistoryPage.java
@@ -187,6 +187,7 @@
     public void onDestroy() {
         super.onDestroy();
         CombinedBookmarkHistoryView.getIconListenerSet().removeListener(mIconReceiver);
+        getLoaderManager().stopLoader(LOADER_HISTORY);
     }
 
     @Override