cc mixed build support to allowlist M13 libraries

Propagate api_domain from top-level config_node(s) in mixed builds.
This ensures that cc_libraries are built in the correct config setting
in mixed builds

Test: m com.android.media.swcodec
Test: built and booted google variant of com.android.media.swcodec
Test: m ccodec_unit_test

Change-Id: I14e3c8e8358b5e90e71697584f9b0eceb018bfa9