[NFC][SYCL] Move llvm.fpbuiltin tests to Transforms #13920

Job	Run time
detect_changes / Decide which tests could be affected by the changes	6s
build / Build + LIT	14m 9s
Decide which Arc tests to run	1s
test-perf	0s
run_prebuilt_e2e_tests (Dev IGC on Intel Ponte Vecchio GPU, ["Linux", "pvc"], ghcr.io/intel/llvm/... / Dev IGC on Intel Ponte Vecchio GPU	3m 41s
run_prebuilt_e2e_tests (Intel Arc A-Series Graphics, ["Linux", "arc"], -u 1001 --device=/dev/dri ... / Intel Arc A-Series Graphics	13m 7s
test (AMD/HIP, ["Linux", "amdgpu"], -u 1001 --device=/dev/dri --device=/dev/kfd, hip:gpu, false) / AMD/HIP	12m 21s
run_prebuilt_e2e_tests (GEN 12 Integrated, ["Linux", "gen12"], -u 1001 --device=/dev/dri -v /dev/... / GEN 12 Integrated	11m 18s
test (E2E tests with dev igc on Intel Arc A-Series Graphics, ["Linux", "arc"], ghcr.io/intel/llvm... / E2E tests with dev igc on Intel Arc A-Series Graphics	1m 26s
test (E2E tests on Intel Ponte Vecchio GPU, ["Linux", "pvc"], -u 1001 --device=/dev/dri -v /dev/d... / E2E tests on Intel Ponte Vecchio GPU	7m 38s
test (NVIDIA/CUDA, ["Linux", "cuda"], -u 1001 --gpus all --cap-add SYS_ADMIN, cuda:gpu) / NVIDIA/CUDA	21m 9s
	1h 24m 56s

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