The former is for pre-Bzlmod; the latter for post-Bzlmod.

See https://github.com/bazelbuild/bazel/commit/56d8134fd527510c18f07bd0dfb5bbe8723c68ba#r83225792 for more background.

PiperOrigin-RevId: 472946524
Change-Id: I1f5e0d1e5201b16c2abea839a3081e72c103876c