Make SQLiteDatabase final.

The SQLiteDatabase constructor is inaccessible so it is not
possible for applications to subclass it.  To remove all possible
remaining temptation to do so, make the class final.

Change-Id: I4148e9b06f0661ec22aab8e45afde38498d2375a
diff --git a/core/java/android/database/sqlite/SQLiteDatabase.java b/core/java/android/database/sqlite/SQLiteDatabase.java
index 04ee142..604247e 100644
--- a/core/java/android/database/sqlite/SQLiteDatabase.java
+++ b/core/java/android/database/sqlite/SQLiteDatabase.java
@@ -19,7 +19,6 @@
 import android.content.CancellationSignal;
 import android.content.ContentValues;
 import android.content.OperationCanceledException;
-import android.content.res.Resources;
 import android.database.Cursor;
 import android.database.DatabaseErrorHandler;
 import android.database.DatabaseUtils;
@@ -65,7 +64,7 @@
  * to the current locale.
  * </p>
  */
-public class SQLiteDatabase extends SQLiteClosable {
+public final class SQLiteDatabase extends SQLiteClosable {
     private static final String TAG = "SQLiteDatabase";
 
     private static final int EVENT_DB_CORRUPT = 75004;