Update `apex_available` for libperfetto prebuilt.

This is required to build ART usinf the `master-art`
manifest after `bpf_headers` have been moved to
    packages/modules/Connectivity .

Test: art/tools/buildbot-build.sh --target
Change-Id: Ieed6f5af8392d9318f95b8a89efc6aaaf43ddbb6
1 file changed