Correct allowlisting for override modules

Prevoiusly, we were partially correcting for override modules in
bp2build/mixed builds in some but not all places. Now we always check
for override modules and ensure that Bazel_module properties are
propagated properly for override modules.

Bug: 279609939
Test: go test soong tests
Change-Id: I5445aa71f4c8013315415a2ca9ab9c6b3be6bce0