Index the System status page

- Page is found in System > About Phone > Status
The page was simply never indexed.

- Remove the unavailable summary text.

- Suppress IP address because it appears in wifi
settings as well.

Test: make RunSettingsRoboTests
Change-Id: I0c5eb5222fc356dd3686fb84ca47da8e2d3274f5
Fixes: 65443327