Fixed sample video corrupted in MediaCodec mode.

    // At the java level these special errors will then trigger a

    // MediaCodec.CryptoException that gives clients access to both

    // the error code and the errorDetailMsg.

    virtual status_t decrypt(

    // Returns a non-negative result to indicate the number of bytes written

    // to the dstPtr, or a negative result to indicate an error.

    virtual ssize_t decrypt(

            bool secure,

            const uint8_t key[16],

            const uint8_t iv[16],