Jefftree: Add feature flag for OpenAPI v3

JobBuild
105663
10-13 16:43
8cb2b798
10-13 16:41
bcff0672
10-13 16:40
unknown
10-13 16:39
pull-kubernetes-conformance-kind-ga-only-parallel 1451221645573230592 1448328061693988864 1448327655500812288
pull-kubernetes-dependencies 1451221645388681216 1448328052470714368 1448327655253348352
pull-kubernetes-e2e-gce-100-performance 1451221645690671104 1448328073417068544 1448327655614058496
pull-kubernetes-e2e-gce-alpha-features 1448328055788408832 1448327655320457216
pull-kubernetes-e2e-gce-ubuntu-containerd 1451221645422235648 1448328054110687232 1448327655282708480
pull-kubernetes-e2e-kind 1451221645493538816 1448328058309185536 1448327655404343296
pull-kubernetes-e2e-kind-ipv6 1451221645543870464 1448328059982712832 1448327655454674944
pull-kubernetes-integration 1451221645459984384 1448328057461936128 1448327655358205952
pull-kubernetes-node-e2e-containerd 1451221645636145152 1448328072569819136 1448327655567921152
pull-kubernetes-typecheck 1451221645715836928 1448328065850544128 1448327656067043328
pull-kubernetes-unit 1451221645606785024 1448328062495100928 1448327655534366720
pull-kubernetes-verify 1451221647066402816 1448328068383903744 1448327657740570624
pull-kubernetes-verify-govet-levee 1451221646231736320 1448328067540848640 1448327656905904128