[Inductor] Reland upstream commit `8505252` and `eaecd6d`

[whitneywhtsang]

Reland 8505252 that is temporarily reverted in #4068 by b0ed577.
Reland eaecd6d that is temporarily reverted in #4068 by 63b7d1d.

E2E failure: https://github.com/intel/intel-xpu-backend-for-triton/actions/runs/14787963833/job/41519730822
torch._inductor.exc.InductorError: AttributeError: type object 'CompiledKernel' has no attribute 'launch_enter_hook'

[whitneywhtsang]

Merging of upstream commit triton-lang/triton@efa8774 is blocked by this issue.