pass cc shared libs as order-only to rustc

The library file for a cc_shared_library dependency is added to the linkFlags of the rustc compilation action, but no explicit dependency was made on it from a Ninja perspective if a TOC was also present. This change adds the explicit dependency on the library file whether or not a TOC is present.

Test: m crosvm
Bug: 275416061
Change-Id: I625b62762d9ba7b4fd2b8362285528e47f728dd4