[findbugs] Add the static keyword to unchanging integers.

mUrlIndex, mTitleIndex, and mBookmarkIndex are member variables
which are the same for all MyAdapters, so change them to static.
diff --git a/src/com/android/browser/MostVisitedActivity.java b/src/com/android/browser/MostVisitedActivity.java
index f0d1c7f..90052d3 100644
--- a/src/com/android/browser/MostVisitedActivity.java
+++ b/src/com/android/browser/MostVisitedActivity.java
@@ -84,9 +84,9 @@
         private Vector<DataSetObserver> mObservers;
         private Cursor mCursor;
         // These correspond with projection below.
-        private final int mUrlIndex = 0;
-        private final int mTitleIndex = 1;
-        private final int mBookmarkIndex = 2;
+        private static final int mUrlIndex = 0;
+        private static final int mTitleIndex = 1;
+        private static final int mBookmarkIndex = 2;
 
         MyAdapter() {
             mObservers = new Vector<DataSetObserver>();