Rename the fox release config.
Rename the fox release config.

Similar to daisy_spring-release.

BUG=chromium:307519
TEST=presubmit

Change-Id: I6b12407a5219b1c4669e7de3172927c2a2975d51
Reviewed-on: https://chromium-review.googlesource.com/173090
Reviewed-by: Peter Mayo <3d31fdaf44dc55bb1b4f50b19df9bc879177d37a@chromium.org>
Tested-by: Peter Mayo <3d31fdaf44dc55bb1b4f50b19df9bc879177d37a@chromium.org>

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