GenericSource: reset mDecryptHandle when mDataSource is cleared. am: 09c291c838 am: 313358c747 am: 92b6cd8da9
am: 7b5564e251

* commit '7b5564e251680275d810b5c34b5d9a3caebff0fb':
  GenericSource: reset mDecryptHandle when mDataSource is cleared.