We let the user know when he turns off Wi-Fi that scans will continue to
be available.
User has the option to turn off the dialog and not receive this in the future.
Bug: 8141918
Change-Id: I115ce2ac57125b8ffbb34245dc25effd4b3bebb0
Modify WifiService to add a controller to track the various
desired states and let the WifiStatemachine actually control
the bring up.
Bug: 8141918
Change-Id: I6e98fd5a29b43c3c50c315eff5255cd0a3eaebcd
Remove obsolete active/passive scan handling - drivers always
do active scan.
Also, remove AP_SCAN hack for preventing connections and use
the TYPE=ONLY scan.
Bug: 8158647
Change-Id: I8f70e19219ad789b7501a40529bcd6b6524739e8
Fix bug dealing with airplane mode settings of whether wifi
is sensitive to airplane mode change and whether wifi is
allowed to override airplane mode that likely has been
broken ever since.
Bug: 8141918
Change-Id: Ia3116c9dfce2952cbe3911e9d81dbbae0430abef