Merge "Move zygote64 into the top-app stune group." into rvc-dev am: 4dc1d5f3de

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/core/+/11884893

Change-Id: I68ff2f1e7aca8f128aeb22b7d396688e51f4df81