Merge "docs: Noted that custom permissions must be unique per-device" into mnc-mr-docs
am: 9be023f077

* commit '9be023f0772359137f7b4d933add43de2db1aaa0':
  docs: Noted that custom permissions must be unique per-device

Change-Id: I3af5d87f77b5b40c2c7dd7c099f3c62fe4649d28