A SecurityException can be thrown when calling
android.net.ConnectivityManager.getNetworkCapabilities. As discussed in
https://crbug.com/1218536, this seems like a platform bug. Workaround
the problem by ignoring the exception and returning null instead.
Bug: 1218536
Change-Id: Ibf88aea64706177a78a5b75836acb91de00a599a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2966677
Reviewed-by: Paul Jensen <pauljensen@chromium.org>
Commit-Queue: Yutaka Hirano <yhirano@chromium.org>
Cr-Commit-Position: refs/heads/master@{#894216}