Unittests: Disable failing unittests.

By disabling network tests, I can enable devserver unittests in the
build by landing CL:354772. The skip messages call out the bugs filed to
get the broken tests fixed. crbug.com/640062 and crbug.com/640063.

BUG=None
TEST=./run_unittests

Change-Id: I103c25c8494692b683c71e6d6c8748d45cc5970f
Reviewed-on: https://chromium-review.googlesource.com/374063
Commit-Ready: Don Garrett <dgarrett@chromium.org>
Tested-by: Don Garrett <dgarrett@chromium.org>
Reviewed-by: Xixuan Wu <xixuan@chromium.org>
2 files changed