Respect all factors in determining editability of a WiFi config

Also, use creatorUid instead of lastUpdateName in determining
modifiability of config.

Bug: 21427528
Bug: 21150087
Bug: 21612565
Bug: 21887465
Change-Id: I0f8fb72bf9da1597e08d3dfc631d37b6b4178ff5
2 files changed
tree: 9488ee362ce354c23bd95756d3a0cc34c8608584
  1. service/