various fixes:

- add null pointer check to wifi watchdog state machine
- correctly parse the REQUEST IDENTIY event sent by wpa_supplicant
- make autojoining wificonfiguration more aggressive based on user input
Bug:17469863
Bug:17426395
Bug:17475816

Change-Id: I1785c917c0e570de0edaa02bd0ca6536be9d7c0b
5 files changed
tree: 7e4d1854f9165370e6a6503448fcec8816375031
  1. service/