[1/2] Add triggers to change profile based on AP

Add data structure mWifiTriggers to store triggers per profile.
Add network change listener to switch to profile

Change-Id: I97e360d7783d3b0e2bbd70fe7a9a866d8c0fa7cd
Merge "[1/2] Add triggers to change profile based on AP" into cm-10.1
Merge remote-tracking branch 'cm/cm-10.1' into cm-10.1