am 53d86f6e: am f5cfe708: am e8acd367: Merge "When deleting a db file, Context.deleteDatabase() has to be called instead of File.delete() to guarantee all db related files like journal, wal, shm, etc are deleted together."

* commit '53d86f6e495e3f950191419645e34970779a3fea':
  When deleting a db file, Context.deleteDatabase() has to be called instead of File.delete() to guarantee all db related files like journal, wal, shm, etc are deleted together.