Merge "Fix a crash when exiting the DevTools Connectivity page." into nyc-dev
am: 738f9df0c8

* commit '738f9df0c8e42b396a4e54a886e94fc647681f27':
  Fix a crash when exiting the DevTools Connectivity page.

Change-Id: I0a31fa64d2d5d1a6a21bcb1fad81518d03d61517