honghaiz 9462052f32 In some rare Android systems ConnectivityManager may be null. ...

Handle this case more gracefully.

BUG=

Review URL: https://codereview.webrtc.org/1490403002

Cr-Commit-Position: refs/heads/master@{#10875}

2015-12-02 22:33:26 +00:00

..

org/webrtc

In some rare Android systems ConnectivityManager may be null.

2015-12-02 22:33:26 +00:00