Add toolchain/pgo-profiles to master-art-host manifest

PGO is not done for host modules, but adding it here as well for
consistency and future-proofing.

Bug: http://b/63768402

Test: /google/data/ro/projects/android/android-build/validate_repo_branch.par
        --branch=current-manifest --local_manifest ./default.xml

Change-Id: Iee1dbe2509307d54635648c920ec8b6ae4d9df2d
1 file changed