Fix bp2build breakage by denylisting //system/apex/libs/libapexsupport/...

Added in
https://android-review.git.corp.google.com/c/platform/system/apex/+/2623829/,
but the modules depend on rust_* modules.

Test: bp2build-incremental presubmit
Change-Id: I229a2442e1b8a89ab768b54dfa713a8b97908436