Don't make the decrypted content available to Java applications via MediaExtractor.java API

        // give us data in a call to MediaSource::read(), unlike its

        // default mode that we use from AwesomePlayer.

        static_cast<WVMExtractor *>(mImpl.get())->setCryptoPluginMode(true);

    } else if (mImpl->getDrmFlag()) {

        // For all other drm content, we don't want to expose decrypted

        // content to Java application.

        mImpl.clear();

        mImpl = NULL;

        return ERROR_UNSUPPORTED;

    }

    mDataSource = dataSource;