Merge "Use assignment instead of reset for profile unique_fd"

static void open_profile_files(uid_t uid, const std::string& pkgname,

            /*out*/ std::vector<unique_fd>* profiles_fd, /*out*/ unique_fd* reference_profile_fd) {

    // Open the reference profile in read-write mode as profman might need to save the merge.

    reference_profile_fd->reset(open_reference_profile(uid, pkgname, /*read_write*/ true));

    *reference_profile_fd = open_reference_profile(uid, pkgname, /*read_write*/ true);

    if (reference_profile_fd->get() < 0) {

        // We can't access the reference profile file.

        return;