[NAN] Do not reset state machine after OnNanDown

Refactor OnNanDown behavior to clean-up local state - manager
no longer needs to have state.

Bug: 28197388
Change-Id: Ib6618f9ab6c23677fd2efadf6d3c88ec083fb284
4 files changed
tree: b8d4204ca22f41091ac0ac24501e6c83872a2211
  1. service/
  2. tests/