rust: Propagate MTO libs linked whole through dylibs.

Because dylibs don't export symbols of whole-archive staticlibs, we
simulate this by propagating those static libs through to dependent
modules. Similarly, we must do the same for rlibs from cc_* modules used
to generate MTO staticlibs.

Bug: 395915782
Test: New soong tests
Test: m rust
Change-Id: I83d6a08234af04af5039764f5a80f659b24aa132