GitLab

Rename c/b/enterprise/reporting/notification to
c/b/enterprise/reporting/extension_request so that the
extension_request_observer can be used by real-time reporting which is
not part of notification.

Also move extension_request_policy_handler into the extension_request/.

Bug: 1137964
Change-Id: I7c8af718333494114d20416fcfa9415bc8f7a6be
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2468467Reviewed-by: Julian Pastarmov <pastarmovj@chromium.org>
Commit-Queue: Owen Min <zmin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#817515}