[CSSPGO] Fix a test issue due to portablity of std::hash

As a follow-up to D99815, this patch enables the test by using a DAG order instead of a sequential order to mitigate the platform portability issue due to `std:: _Hash_bytes`.

Reviewed By: wenlei, jsji

Differential Revision: https://reviews.llvm.org/D100351

GitOrigin-RevId: ac955452ab2ab853900b2d2707243a41f8f8204d
1 file changed