Enable Network Service Sandbox on the bots.

BUG=939590,841001

Change-Id: I1348a2d8010f0568f6e68f65ce0d541517099a80
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1509769
Commit-Queue: Will Harris <wfh@chromium.org>
Reviewed-by: Michael Moss <mmoss@chromium.org>
Reviewed-by: Mark Pearson <mpearson@chromium.org>
Cr-Commit-Position: refs/heads/master@{#669451}
1 file changed