Track and destroy inline URI grants separately from Notification URIs.

Bug: 142492493
Bug: 137398133

Test: Unit tests pass. Manual testing with an app configured to receive images via RemoteInput can access and display image URIs after the notification has been canceled, but before the notification entry has been removed from the shade.

Change-Id: If64ae7eff7293df3317a1f629977aaaccd866b32