Disable VM Tests for fox.
Disable VM Tests for fox.

They don't seem to work yet.

BUG=chrome-os-partner:18036
TEST=trybot

Change-Id: I32dd7b7ef2745d3919a203267a48b07183823573
Reviewed-on: https://gerrit.chromium.org/gerrit/44771
Reviewed-by: David James <f231dc574bbeb62604660cbc162d1b8642a0a3af@chromium.org>
Tested-by: Peter Mayo <3d31fdaf44dc55bb1b4f50b19df9bc879177d37a@chromium.org>

bpsinc-native/src_third_party_chromite,chadversary/chromiumos.chromite,chadversary/chromiumos.chromite,bpsinc-native/src_third_party_chromite,bpsinc-native/src_third_party_chromite