Merge "Make isCaptivePortal perform both HTTP and HTTPS probes." into nyc-dev
am: 1d3c594

* commit '1d3c59457c9bcf30e6ecb898e64d9d9725e7803e':
  Make isCaptivePortal perform both HTTP and HTTPS probes.

Change-Id: Ic58f5be8dce42c17213ef261f348eda31c6c11e7