apply() instead of commit() SharedPrefs change in BookmarkWidget

Fixes a strict mode violation.

Bug: 5096309
Change-Id: I9993e0b3396a8a8e7fe3c7a26abfffca54267795
diff --git a/src/com/android/browser/widget/BookmarkThumbnailWidgetService.java b/src/com/android/browser/widget/BookmarkThumbnailWidgetService.java
index 7d174ee..bd3e289 100644
--- a/src/com/android/browser/widget/BookmarkThumbnailWidgetService.java
+++ b/src/com/android/browser/widget/BookmarkThumbnailWidgetService.java
@@ -114,7 +114,7 @@
         pref.edit()
             .putLong(STATE_CURRENT_FOLDER, rootFolder)
             .putLong(STATE_ROOT_FOLDER, rootFolder)
-            .commit();
+            .apply();
     }
 
     /**