[automerger skipped] Merge "Limit VCNs to one running at a given time" into sc-dev am: dd6c8879 -s ours

am skip reason: Merged-In I8031fab7502880d38420058451df41f47567c458 with SHA-1 3433a8e5 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15315835

Change-Id: I5e5e6c9636feb57237ed4b01047170948018a110