Ensure that db connection reconfiguration can change the db.

If the db connection had been marked read-only, then certain
operations performed during reconfiguration, such as setting the
locale, could fail.  So we need to make sure to clear the
read-only flag ahead of time.

Bug: 6296752
Change-Id: I98e19aff6386497b7fc321e04ca560fc1817a781

Author: Jeff Brown

core/java/android/database/sqlite/SQLiteConnection.java

@@ -390,6 +390,8 @@ private void setLocaleFromConfiguration() {
 
     // Called by SQLiteConnectionPool only.
     void reconfigure(SQLiteDatabaseConfiguration configuration) {
+        mOnlyAllowReadOnlyOperations = false;
+
         // Register custom functions.
         final int functionCount = configuration.customFunctions.size();
         for (int i = 0; i < functionCount; i++) {