[PGO][Offload] Update PGO GPU tests#132262

EthanLuisMcDonough merged 5 commits intollvm:mainllvm/llvm-project:mainfrom

EthanLuisMcDonough:gpu_pgo_atomic_testsEthanLuisMcDonough/llvm-project:gpu_pgo_atomic_testsCopy head branch name to clipboard