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The messages defined in record.proto will need to be available to
the server and the future daemon. Moving to the appropriate location.

Also - reporting_messaging_layer is far too long for a namespace.
Renamed to simply reporting. :-D

Bug: chromium:1078512
Change-Id: Idd14c07e548e0b937c2a64b4ff4a4ae771e6cc7f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2235991
Commit-Queue: Zach Trudo <zatrudo@google.com>
Reviewed-by: Sergey Poromov <poromov@chromium.org>
Cr-Commit-Position: refs/heads/master@{#776236}