Re-purpose feature to use as a kill switch for Incident Reporting

In case we need to disable incident reporting for some reason.

Bug: 
Change-Id: I51f34c0796b8c03dd3013d48bd5fecbba1b1d334
Reviewed-on: https://chromium-review.googlesource.com/609228
Reviewed-by: Jesse Doherty <jwd@chromium.org>
Reviewed-by: Chris Sharp <csharp@chromium.org>
Commit-Queue: proberge <proberge@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#494987}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 68a84e70d5533b39843feb775964e0503acf161e
1 file changed