Update SDL2 Bazel dep path.
Update SDL2 Bazel dep path.

PiperOrigin-RevId: 279405640

google/iree,iree-org/iree,google/iree,iree-org/iree,google/iree,google/iree,google/iree,iree-org/iree,iree-org/iree,iree-org/iree,google/iree,iree-org/iree,google/iree,iree-org/iree