AOD: Delay wakeup until interaction with notification

Instead of immediately waking upon touching the screen, the
wakeup now happens when interacting with the notification.

Also adds feedback for the first tap of the double tap gesture
on the content view.

Bug: 30876804
Fixes: 34498705
Fixes: 34500641
Fixes: 34500802
Test: manual
Change-Id: I75ea86a6009dd7efab480738584c96bb8743b2ba