[automerger skipped] Merge "Add disconnect causes for WFC use cases."
am: 1cbe1249fb -s ours
am skip reason: change_id I8c452c8e12f6ac3549480635132eab9d2ba03e2c with SHA1 1c9d219e15 is in history

Change-Id: I74ac12969a3b408c4850ad3ad94a22947476e6c1