Merge "create staging/threadnetwork and add OWNERS" am: 05d0ccbc6e am: 2c2774068a

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2412035

Change-Id: Ibf97c6f00e1bb923412eb8e42152f22908e83b05
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>