tree 7ba501aaa22528f3f924a8c5d25786c693e9c97b
parent 0281b406365080bce90d8562950cfcfd83b48303
author Brian Williammee <bwill@google.com> 1375315653 -0700
committer Brian Williammee <bwill@google.com> 1375831964 -0700

Track latency of captive portal checks

When captive portal check occurs, track its latency, whether or not
we received a response, and whether or not the response was a captive
portal.  Pair with information identifying the access point / base
station, and broadcast it (with a system|signature-protected
permission).

Broadcast only occurs if user has consented to
Settings.Global.WIFI_SCAN_ALWAYS_AVAILABLE.

Change-Id: I6fd59954a7ee2cc7acedf064a1465882653b2173