Merge "docs: Noted that custom permissions must be unique per-device" into mnc-mr-docs am: 9be023f077
am: 76f95f5571

* commit '76f95f557129a583a52b8d7c896510fc3e2e02e8':
  docs: Noted that custom permissions must be unique per-device

Change-Id: I16fb362316afee6e6a4565184ef1c9798e1530be