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Changes the current UI_CLOSED to UI_CLOSED_OBSOLETE, and adds
new UI_DISMISSED_WITHOUT_OPEN and UI_DISMISSED_AFTER_OPEN events
that will log to a new UMA enums for the existing hitogram.

BUG=838951

Change-Id: I90ee3c786188e65a1db5f40f04670554f93f2d3c
Reviewed-on: https://chromium-review.googlesource.com/1040682Reviewed-by: Theresa <twellington@chromium.org>
Reviewed-by: Filip Gorski <fgorski@chromium.org>
Commit-Queue: Donn Denman <donnd@chromium.org>
Cr-Commit-Position: refs/heads/master@{#555980}