Counts may differ from user perception. For example, if notifications arrive after the shade is open (even if it is only peeking) there will not be another panel_reveal before the user sees the shade. User perception is more accurately measured by visibility events. Peek events will report the notificaiton load as 1. Bug: 20088581 Change-Id: I10221d4b66a18c223aae21e616615f087c65b1e1