[automerger skipped] Merge "Implemented CREATE_USER and REMOVE_USER on VHAL reference implementation." into rvc-dev am: d7940ccf2f -s ours am: 0c448001a3 -s ours

am skip reason: skipped by user felipeal

Original change: undetermined

Change-Id: I56a22f1a32284c7db68cdebfaca5dc9c8444a04e