🤝 Include connectivity status in verification result.

This also rolls custom-tabs-client, including the following changes
(only the most recent is directly depended upon):

https://chromium-review.googlesource.com/c/custom-tabs-client/+/1028234
https://chromium-review.googlesource.com/c/custom-tabs-client/+/1063970
https://chromium-review.googlesource.com/c/custom-tabs-client/+/1065875

Bug: 816798
Change-Id: I3ec9bdcb658af5a30ea8d09f5603b56441f7f367
Reviewed-on: https://chromium-review.googlesource.com/1064236
Commit-Queue: Peter Conn <[email protected]>
Reviewed-by: Bernhard Bauer <[email protected]>
Cr-Commit-Position: refs/heads/master@{#560255}
6 files changed